68978520

素因数分解:

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

素因数の和:84

約数の個数: 256

約数和(自身を含む): 263088000

約数和(自身を除く): 194109480

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, 170, 180, 195, 204, 216, 221, 234, 255, 260, 270, 289, 306, 312, 340, 351, 360, 390, 408, 442, 459, 468, 510, 520, 540, 578, 585, 612, 663, 680, 702, 765, 780, 867, 884, 918, 936, 1020, 1080, 1105, 1156, 1170, 1224, 1326, 1404, 1445, 1530, 1560, 1734, 1755, 1768, 1836, 1989, 2040, 2210, 2295, 2312, 2340, 2601, 2652, 2808, 2890, 3060, 3315, 3468, 3510, 3672, 3757, 3978, 4335, 4420, 4590, 4680, 4913, 5202, 5304, 5780, 5967, 6120, 6630, 6936, 7020, 7514, 7803, 7956, 8670, 8840, 9180, 9826, 9945, 10404, 11271, 11560, 11934, 13005, 13260, 14040, 14739, 15028, 15606, 15912, 17340, 18360, 18785, 19652, 19890, 20808, 22542, 23868, 24565, 26010, 26520, 29478, 29835, 30056, 31212, 33813, 34680, 37570, 39015, 39304, 39780, 44217, 45084, 47736, 49130, 52020, 56355, 58956, 59670, 62424, 63869, 67626, 73695, 75140, 78030, 79560, 88434, 90168, 98260, 101439, 104040, 112710, 117912, 119340, 127738, 132651, 135252, 147390, 150280, 156060, 169065, 176868, 191607, 196520, 202878, 221085, 225420, 238680, 255476, 265302, 270504, 294780, 312120, 319345, 338130, 353736, 383214, 405756, 442170, 450840, 507195, 510952, 530604, 574821, 589560, 638690, 663255, 676260, 766428, 811512, 884340, 958035, 1014390, 1061208, 1149642, 1277380, 1326510, 1352520, 1532856, 1724463, 1768680, 1916070, 2028780, 2299284, 2554760, 2653020, 2874105, 3448926, 3832140, 4057560, 4598568, 5306040, 5748210, 6897852, 7664280, 8622315, 11496420, 13795704, 17244630, 22992840, 34489260, 68978520]

約数ペア:

[(1, 68978520), (2, 34489260), (3, 22992840), (4, 17244630), (5, 13795704), (6, 11496420), (8, 8622315), (9, 7664280), (10, 6897852), (12, 5748210), (13, 5306040), (15, 4598568), (17, 4057560), (18, 3832140), (20, 3448926), (24, 2874105), (26, 2653020), (27, 2554760), (30, 2299284), (34, 2028780), (36, 1916070), (39, 1768680), (40, 1724463), (45, 1532856), (51, 1352520), (52, 1326510), (54, 1277380), (60, 1149642), (65, 1061208), (68, 1014390), (72, 958035), (78, 884340), (85, 811512), (90, 766428), (102, 676260), (104, 663255), (108, 638690), (117, 589560), (120, 574821), (130, 530604), (135, 510952), (136, 507195), (153, 450840), (156, 442170), (170, 405756), (180, 383214), (195, 353736), (204, 338130), (216, 319345), (221, 312120), (234, 294780), (255, 270504), (260, 265302), (270, 255476), (289, 238680), (306, 225420), (312, 221085), (340, 202878), (351, 196520), (360, 191607), (390, 176868), (408, 169065), (442, 156060), (459, 150280), (468, 147390), (510, 135252), (520, 132651), (540, 127738), (578, 119340), (585, 117912), (612, 112710), (663, 104040), (680, 101439), (702, 98260), (765, 90168), (780, 88434), (867, 79560), (884, 78030), (918, 75140), (936, 73695), (1020, 67626), (1080, 63869), (1105, 62424), (1156, 59670), (1170, 58956), (1224, 56355), (1326, 52020), (1404, 49130), (1445, 47736), (1530, 45084), (1560, 44217), (1734, 39780), (1755, 39304), (1768, 39015), (1836, 37570), (1989, 34680), (2040, 33813), (2210, 31212), (2295, 30056), (2312, 29835), (2340, 29478), (2601, 26520), (2652, 26010), (2808, 24565), (2890, 23868), (3060, 22542), (3315, 20808), (3468, 19890), (3510, 19652), (3672, 18785), (3757, 18360), (3978, 17340), (4335, 15912), (4420, 15606), (4590, 15028), (4680, 14739), (4913, 14040), (5202, 13260), (5304, 13005), (5780, 11934), (5967, 11560), (6120, 11271), (6630, 10404), (6936, 9945), (7020, 9826), (7514, 9180), (7803, 8840), (7956, 8670)]