19663560

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{17}}^2$

素因数の和:67

約数の個数: 288

約数和(自身を含む): 80458560

約数和(自身を除く): 60795000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 51, 54, 56, 60, 63, 68, 70, 72, 81, 84, 85, 90, 102, 105, 108, 119, 120, 126, 135, 136, 140, 153, 162, 168, 170, 180, 189, 204, 210, 216, 238, 243, 252, 255, 270, 280, 289, 306, 315, 324, 340, 357, 360, 378, 405, 408, 420, 459, 476, 486, 504, 510, 540, 567, 578, 595, 612, 630, 648, 680, 714, 756, 765, 810, 840, 867, 918, 945, 952, 972, 1020, 1071, 1080, 1134, 1156, 1190, 1215, 1224, 1260, 1377, 1428, 1445, 1512, 1530, 1620, 1701, 1734, 1785, 1836, 1890, 1944, 2023, 2040, 2142, 2268, 2295, 2312, 2380, 2430, 2520, 2601, 2754, 2835, 2856, 2890, 3060, 3213, 3240, 3402, 3468, 3570, 3672, 3780, 4046, 4131, 4284, 4335, 4536, 4590, 4760, 4860, 5202, 5355, 5508, 5670, 5780, 6069, 6120, 6426, 6804, 6885, 6936, 7140, 7560, 7803, 8092, 8262, 8505, 8568, 8670, 9180, 9639, 9720, 10115, 10404, 10710, 11016, 11340, 11560, 12138, 12852, 13005, 13608, 13770, 14280, 15606, 16065, 16184, 16524, 17010, 17340, 18207, 18360, 19278, 20230, 20655, 20808, 21420, 22680, 23409, 24276, 25704, 26010, 27540, 28917, 30345, 31212, 32130, 33048, 34020, 34680, 36414, 38556, 39015, 40460, 41310, 42840, 46818, 48195, 48552, 52020, 54621, 55080, 57834, 60690, 62424, 64260, 68040, 70227, 72828, 77112, 78030, 80920, 82620, 91035, 93636, 96390, 104040, 109242, 115668, 117045, 121380, 128520, 140454, 144585, 145656, 156060, 163863, 165240, 182070, 187272, 192780, 218484, 231336, 234090, 242760, 273105, 280908, 289170, 312120, 327726, 351135, 364140, 385560, 436968, 468180, 491589, 546210, 561816, 578340, 655452, 702270, 728280, 819315, 936360, 983178, 1092420, 1156680, 1310904, 1404540, 1638630, 1966356, 2184840, 2457945, 2809080, 3277260, 3932712, 4915890, 6554520, 9831780, 19663560]

約数ペア:

[(1, 19663560), (2, 9831780), (3, 6554520), (4, 4915890), (5, 3932712), (6, 3277260), (7, 2809080), (8, 2457945), (9, 2184840), (10, 1966356), (12, 1638630), (14, 1404540), (15, 1310904), (17, 1156680), (18, 1092420), (20, 983178), (21, 936360), (24, 819315), (27, 728280), (28, 702270), (30, 655452), (34, 578340), (35, 561816), (36, 546210), (40, 491589), (42, 468180), (45, 436968), (51, 385560), (54, 364140), (56, 351135), (60, 327726), (63, 312120), (68, 289170), (70, 280908), (72, 273105), (81, 242760), (84, 234090), (85, 231336), (90, 218484), (102, 192780), (105, 187272), (108, 182070), (119, 165240), (120, 163863), (126, 156060), (135, 145656), (136, 144585), (140, 140454), (153, 128520), (162, 121380), (168, 117045), (170, 115668), (180, 109242), (189, 104040), (204, 96390), (210, 93636), (216, 91035), (238, 82620), (243, 80920), (252, 78030), (255, 77112), (270, 72828), (280, 70227), (289, 68040), (306, 64260), (315, 62424), (324, 60690), (340, 57834), (357, 55080), (360, 54621), (378, 52020), (405, 48552), (408, 48195), (420, 46818), (459, 42840), (476, 41310), (486, 40460), (504, 39015), (510, 38556), (540, 36414), (567, 34680), (578, 34020), (595, 33048), (612, 32130), (630, 31212), (648, 30345), (680, 28917), (714, 27540), (756, 26010), (765, 25704), (810, 24276), (840, 23409), (867, 22680), (918, 21420), (945, 20808), (952, 20655), (972, 20230), (1020, 19278), (1071, 18360), (1080, 18207), (1134, 17340), (1156, 17010), (1190, 16524), (1215, 16184), (1224, 16065), (1260, 15606), (1377, 14280), (1428, 13770), (1445, 13608), (1512, 13005), (1530, 12852), (1620, 12138), (1701, 11560), (1734, 11340), (1785, 11016), (1836, 10710), (1890, 10404), (1944, 10115), (2023, 9720), (2040, 9639), (2142, 9180), (2268, 8670), (2295, 8568), (2312, 8505), (2380, 8262), (2430, 8092), (2520, 7803), (2601, 7560), (2754, 7140), (2835, 6936), (2856, 6885), (2890, 6804), (3060, 6426), (3213, 6120), (3240, 6069), (3402, 5780), (3468, 5670), (3570, 5508), (3672, 5355), (3780, 5202), (4046, 4860), (4131, 4760), (4284, 4590), (4335, 4536)]