681311820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:440

約数の個数: 192

約数和(自身を含む): 2248114176

約数和(自身を除く): 1566802356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 127, 140, 159, 210, 212, 241, 254, 265, 318, 371, 381, 420, 482, 508, 530, 635, 636, 723, 742, 762, 795, 889, 964, 1060, 1113, 1205, 1270, 1446, 1484, 1524, 1590, 1687, 1778, 1855, 1905, 2226, 2410, 2540, 2667, 2892, 3180, 3374, 3556, 3615, 3710, 3810, 4445, 4452, 4820, 5061, 5334, 5565, 6731, 6748, 7230, 7420, 7620, 8435, 8890, 10122, 10668, 11130, 12773, 13335, 13462, 14460, 16870, 17780, 20193, 20244, 22260, 25305, 25546, 26670, 26924, 30607, 33655, 33740, 38319, 40386, 47117, 50610, 51092, 53340, 61214, 63865, 67310, 76638, 80772, 89411, 91821, 94234, 100965, 101220, 122428, 127730, 134620, 141351, 153035, 153276, 178822, 183642, 188468, 191595, 201930, 214249, 235585, 255460, 268233, 282702, 306070, 357644, 367284, 383190, 403860, 428498, 447055, 459105, 471170, 536466, 565404, 612140, 642747, 706755, 766380, 856996, 894110, 918210, 942340, 1071245, 1072932, 1285494, 1341165, 1413510, 1622171, 1788220, 1836420, 2142490, 2570988, 2682330, 2827020, 3213735, 3244342, 4284980, 4866513, 5364660, 6427470, 6488684, 8110855, 9733026, 11355197, 12854940, 16221710, 19466052, 22710394, 24332565, 32443420, 34065591, 45420788, 48665130, 56775985, 68131182, 97330260, 113551970, 136262364, 170327955, 227103940, 340655910, 681311820]

約数ペア:

[(1, 681311820), (2, 340655910), (3, 227103940), (4, 170327955), (5, 136262364), (6, 113551970), (7, 97330260), (10, 68131182), (12, 56775985), (14, 48665130), (15, 45420788), (20, 34065591), (21, 32443420), (28, 24332565), (30, 22710394), (35, 19466052), (42, 16221710), (53, 12854940), (60, 11355197), (70, 9733026), (84, 8110855), (105, 6488684), (106, 6427470), (127, 5364660), (140, 4866513), (159, 4284980), (210, 3244342), (212, 3213735), (241, 2827020), (254, 2682330), (265, 2570988), (318, 2142490), (371, 1836420), (381, 1788220), (420, 1622171), (482, 1413510), (508, 1341165), (530, 1285494), (635, 1072932), (636, 1071245), (723, 942340), (742, 918210), (762, 894110), (795, 856996), (889, 766380), (964, 706755), (1060, 642747), (1113, 612140), (1205, 565404), (1270, 536466), (1446, 471170), (1484, 459105), (1524, 447055), (1590, 428498), (1687, 403860), (1778, 383190), (1855, 367284), (1905, 357644), (2226, 306070), (2410, 282702), (2540, 268233), (2667, 255460), (2892, 235585), (3180, 214249), (3374, 201930), (3556, 191595), (3615, 188468), (3710, 183642), (3810, 178822), (4445, 153276), (4452, 153035), (4820, 141351), (5061, 134620), (5334, 127730), (5565, 122428), (6731, 101220), (6748, 100965), (7230, 94234), (7420, 91821), (7620, 89411), (8435, 80772), (8890, 76638), (10122, 67310), (10668, 63865), (11130, 61214), (12773, 53340), (13335, 51092), (13462, 50610), (14460, 47117), (16870, 40386), (17780, 38319), (20193, 33740), (20244, 33655), (22260, 30607), (25305, 26924), (25546, 26670)]