661382280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 384

約数和(自身を含む): 2537539200

約数和(自身を除く): 1876156920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 51, 52, 54, 60, 65, 68, 72, 78, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 153, 156, 163, 170, 180, 195, 204, 216, 221, 234, 255, 260, 270, 289, 306, 312, 326, 340, 351, 360, 390, 408, 442, 459, 468, 489, 510, 520, 540, 578, 585, 612, 652, 663, 680, 702, 765, 780, 815, 867, 884, 918, 936, 978, 1020, 1080, 1105, 1156, 1170, 1224, 1304, 1326, 1404, 1445, 1467, 1530, 1560, 1630, 1734, 1755, 1768, 1836, 1956, 1989, 2040, 2119, 2210, 2295, 2312, 2340, 2445, 2601, 2652, 2771, 2808, 2890, 2934, 3060, 3260, 3315, 3468, 3510, 3672, 3757, 3912, 3978, 4238, 4335, 4401, 4420, 4590, 4680, 4890, 5202, 5304, 5542, 5780, 5868, 5967, 6120, 6357, 6520, 6630, 6936, 7020, 7335, 7514, 7803, 7956, 8313, 8476, 8670, 8802, 8840, 9180, 9780, 9945, 10404, 10595, 11084, 11271, 11560, 11736, 11934, 12714, 13005, 13260, 13855, 14040, 14670, 15028, 15606, 15912, 16626, 16952, 17340, 17604, 18360, 18785, 19071, 19560, 19890, 20808, 21190, 22005, 22168, 22542, 23868, 24939, 25428, 26010, 26520, 27710, 29340, 29835, 30056, 31212, 31785, 33252, 33813, 34680, 35208, 36023, 37570, 38142, 39015, 39780, 41565, 42380, 44010, 45084, 47107, 47736, 49878, 50856, 52020, 55420, 56355, 57213, 58680, 59670, 62424, 63570, 66504, 67626, 72046, 74817, 75140, 76284, 78030, 79560, 83130, 84760, 88020, 90168, 94214, 95355, 99756, 101439, 104040, 108069, 110840, 112710, 114426, 119340, 124695, 127140, 135252, 141321, 144092, 149634, 150280, 152568, 156060, 166260, 169065, 176040, 180115, 188428, 190710, 199512, 202878, 216138, 225420, 228852, 235535, 238680, 249390, 254280, 270504, 282642, 286065, 288184, 299268, 312120, 324207, 332520, 338130, 360230, 374085, 376856, 381420, 405756, 423963, 432276, 450840, 457704, 471070, 498780, 507195, 540345, 565284, 572130, 598536, 612391, 648414, 676260, 706605, 720460, 748170, 762840, 811512, 847926, 864552, 942140, 972621, 997560, 1014390, 1080690, 1130568, 1144260, 1224782, 1271889, 1296828, 1352520, 1413210, 1440920, 1496340, 1621035, 1695852, 1837173, 1884280, 1945242, 2028780, 2119815, 2161380, 2288520, 2449564, 2543778, 2593656, 2826420, 2992680, 3061955, 3242070, 3391704, 3674346, 3890484, 4057560, 4239630, 4322760, 4863105, 4899128, 5087556, 5511519, 5652840, 6123910, 6359445, 6484140, 7348692, 7780968, 8479260, 9185865, 9726210, 10175112, 11023038, 12247820, 12718890, 12968280, 14697384, 16534557, 16958520, 18371730, 19452420, 22046076, 24495640, 25437780, 27557595, 33069114, 36743460, 38904840, 44092152, 50875560, 55115190, 66138228, 73486920, 82672785, 110230380, 132276456, 165345570, 220460760, 330691140, 661382280]

約数ペア:

[(1, 661382280), (2, 330691140), (3, 220460760), (4, 165345570), (5, 132276456), (6, 110230380), (8, 82672785), (9, 73486920), (10, 66138228), (12, 55115190), (13, 50875560), (15, 44092152), (17, 38904840), (18, 36743460), (20, 33069114), (24, 27557595), (26, 25437780), (27, 24495640), (30, 22046076), (34, 19452420), (36, 18371730), (39, 16958520), (40, 16534557), (45, 14697384), (51, 12968280), (52, 12718890), (54, 12247820), (60, 11023038), (65, 10175112), (68, 9726210), (72, 9185865), (78, 8479260), (85, 7780968), (90, 7348692), (102, 6484140), (104, 6359445), (108, 6123910), (117, 5652840), (120, 5511519), (130, 5087556), (135, 4899128), (136, 4863105), (153, 4322760), (156, 4239630), (163, 4057560), (170, 3890484), (180, 3674346), (195, 3391704), (204, 3242070), (216, 3061955), (221, 2992680), (234, 2826420), (255, 2593656), (260, 2543778), (270, 2449564), (289, 2288520), (306, 2161380), (312, 2119815), (326, 2028780), (340, 1945242), (351, 1884280), (360, 1837173), (390, 1695852), (408, 1621035), (442, 1496340), (459, 1440920), (468, 1413210), (489, 1352520), (510, 1296828), (520, 1271889), (540, 1224782), (578, 1144260), (585, 1130568), (612, 1080690), (652, 1014390), (663, 997560), (680, 972621), (702, 942140), (765, 864552), (780, 847926), (815, 811512), (867, 762840), (884, 748170), (918, 720460), (936, 706605), (978, 676260), (1020, 648414), (1080, 612391), (1105, 598536), (1156, 572130), (1170, 565284), (1224, 540345), (1304, 507195), (1326, 498780), (1404, 471070), (1445, 457704), (1467, 450840), (1530, 432276), (1560, 423963), (1630, 405756), (1734, 381420), (1755, 376856), (1768, 374085), (1836, 360230), (1956, 338130), (1989, 332520), (2040, 324207), (2119, 312120), (2210, 299268), (2295, 288184), (2312, 286065), (2340, 282642), (2445, 270504), (2601, 254280), (2652, 249390), (2771, 238680), (2808, 235535), (2890, 228852), (2934, 225420), (3060, 216138), (3260, 202878), (3315, 199512), (3468, 190710), (3510, 188428), (3672, 180115), (3757, 176040), (3912, 169065), (3978, 166260), (4238, 156060), (4335, 152568), (4401, 150280), (4420, 149634), (4590, 144092), (4680, 141321), (4890, 135252), (5202, 127140), (5304, 124695), (5542, 119340), (5780, 114426), (5868, 112710), (5967, 110840), (6120, 108069), (6357, 104040), (6520, 101439), (6630, 99756), (6936, 95355), (7020, 94214), (7335, 90168), (7514, 88020), (7803, 84760), (7956, 83130), (8313, 79560), (8476, 78030), (8670, 76284), (8802, 75140), (8840, 74817), (9180, 72046), (9780, 67626), (9945, 66504), (10404, 63570), (10595, 62424), (11084, 59670), (11271, 58680), (11560, 57213), (11736, 56355), (11934, 55420), (12714, 52020), (13005, 50856), (13260, 49878), (13855, 47736), (14040, 47107), (14670, 45084), (15028, 44010), (15606, 42380), (15912, 41565), (16626, 39780), (16952, 39015), (17340, 38142), (17604, 37570), (18360, 36023), (18785, 35208), (19071, 34680), (19560, 33813), (19890, 33252), (20808, 31785), (21190, 31212), (22005, 30056), (22168, 29835), (22542, 29340), (23868, 27710), (24939, 26520), (25428, 26010)]