61939240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 165888000

約数和(自身を除く): 103948760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 209, 220, 239, 248, 310, 341, 380, 418, 440, 478, 589, 620, 682, 760, 836, 956, 1045, 1178, 1195, 1240, 1364, 1672, 1705, 1912, 2090, 2356, 2390, 2629, 2728, 2945, 3410, 4180, 4541, 4712, 4780, 5258, 5890, 6479, 6820, 7409, 8360, 9082, 9560, 10516, 11780, 12958, 13145, 13640, 14818, 18164, 21032, 22705, 23560, 25916, 26290, 29636, 32395, 36328, 37045, 45410, 49951, 51832, 52580, 59272, 64790, 74090, 81499, 90820, 99902, 105160, 129580, 140771, 148180, 162998, 181640, 199804, 249755, 259160, 281542, 296360, 325996, 399608, 407495, 499510, 563084, 651992, 703855, 814990, 999020, 1126168, 1407710, 1548481, 1629980, 1998040, 2815420, 3096962, 3259960, 5630840, 6193924, 7742405, 12387848, 15484810, 30969620, 61939240]

約数ペア:

[(1, 61939240), (2, 30969620), (4, 15484810), (5, 12387848), (8, 7742405), (10, 6193924), (11, 5630840), (19, 3259960), (20, 3096962), (22, 2815420), (31, 1998040), (38, 1629980), (40, 1548481), (44, 1407710), (55, 1126168), (62, 999020), (76, 814990), (88, 703855), (95, 651992), (110, 563084), (124, 499510), (152, 407495), (155, 399608), (190, 325996), (209, 296360), (220, 281542), (239, 259160), (248, 249755), (310, 199804), (341, 181640), (380, 162998), (418, 148180), (440, 140771), (478, 129580), (589, 105160), (620, 99902), (682, 90820), (760, 81499), (836, 74090), (956, 64790), (1045, 59272), (1178, 52580), (1195, 51832), (1240, 49951), (1364, 45410), (1672, 37045), (1705, 36328), (1912, 32395), (2090, 29636), (2356, 26290), (2390, 25916), (2629, 23560), (2728, 22705), (2945, 21032), (3410, 18164), (4180, 14818), (4541, 13640), (4712, 13145), (4780, 12958), (5258, 11780), (5890, 10516), (6479, 9560), (6820, 9082), (7409, 8360)]