1285158780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1524

約数の個数: 144

約数和(自身を含む): 4056998400

約数和(自身を除く): 2771839620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 191, 261, 290, 348, 382, 435, 522, 573, 580, 764, 870, 955, 1044, 1146, 1289, 1305, 1719, 1740, 1910, 2292, 2578, 2610, 2865, 3438, 3820, 3867, 5156, 5220, 5539, 5730, 6445, 6876, 7734, 8595, 11078, 11460, 11601, 12890, 15468, 16617, 17190, 19335, 22156, 23202, 25780, 27695, 33234, 34380, 37381, 38670, 46404, 49851, 55390, 58005, 66468, 74762, 77340, 83085, 99702, 110780, 112143, 116010, 149524, 166170, 186905, 199404, 224286, 232020, 246199, 249255, 332340, 336429, 373810, 448572, 492398, 498510, 560715, 672858, 738597, 747620, 984796, 997020, 1121430, 1230995, 1345716, 1477194, 1682145, 2215791, 2242860, 2461990, 2954388, 3364290, 3692985, 4431582, 4923980, 6728580, 7139771, 7385970, 8863164, 11078955, 14279542, 14771940, 21419313, 22157910, 28559084, 35698855, 42838626, 44315820, 64257939, 71397710, 85677252, 107096565, 128515878, 142795420, 214193130, 257031756, 321289695, 428386260, 642579390, 1285158780]

約数ペア:

[(1, 1285158780), (2, 642579390), (3, 428386260), (4, 321289695), (5, 257031756), (6, 214193130), (9, 142795420), (10, 128515878), (12, 107096565), (15, 85677252), (18, 71397710), (20, 64257939), (29, 44315820), (30, 42838626), (36, 35698855), (45, 28559084), (58, 22157910), (60, 21419313), (87, 14771940), (90, 14279542), (116, 11078955), (145, 8863164), (174, 7385970), (180, 7139771), (191, 6728580), (261, 4923980), (290, 4431582), (348, 3692985), (382, 3364290), (435, 2954388), (522, 2461990), (573, 2242860), (580, 2215791), (764, 1682145), (870, 1477194), (955, 1345716), (1044, 1230995), (1146, 1121430), (1289, 997020), (1305, 984796), (1719, 747620), (1740, 738597), (1910, 672858), (2292, 560715), (2578, 498510), (2610, 492398), (2865, 448572), (3438, 373810), (3820, 336429), (3867, 332340), (5156, 249255), (5220, 246199), (5539, 232020), (5730, 224286), (6445, 199404), (6876, 186905), (7734, 166170), (8595, 149524), (11078, 116010), (11460, 112143), (11601, 110780), (12890, 99702), (15468, 83085), (16617, 77340), (17190, 74762), (19335, 66468), (22156, 58005), (23202, 55390), (25780, 49851), (27695, 46404), (33234, 38670), (34380, 37381)]