78621900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1344

約数の個数: 144

約数和(自身を含む): 269149440

約数和(自身を除く): 190527540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 140, 145, 150, 174, 175, 203, 210, 290, 300, 348, 350, 406, 420, 435, 525, 580, 609, 700, 725, 812, 870, 1015, 1050, 1218, 1291, 1450, 1740, 2030, 2100, 2175, 2436, 2582, 2900, 3045, 3873, 4060, 4350, 5075, 5164, 6090, 6455, 7746, 8700, 9037, 10150, 12180, 12910, 15225, 15492, 18074, 19365, 20300, 25820, 27111, 30450, 32275, 36148, 37439, 38730, 45185, 54222, 60900, 64550, 74878, 77460, 90370, 96825, 108444, 112317, 129100, 135555, 149756, 180740, 187195, 193650, 224634, 225925, 262073, 271110, 374390, 387300, 449268, 451850, 524146, 542220, 561585, 677775, 748780, 786219, 903700, 935975, 1048292, 1123170, 1310365, 1355550, 1572438, 1871950, 2246340, 2620730, 2711100, 2807925, 3144876, 3743900, 3931095, 5241460, 5615850, 6551825, 7862190, 11231700, 13103650, 15724380, 19655475, 26207300, 39310950, 78621900]

約数ペア:

[(1, 78621900), (2, 39310950), (3, 26207300), (4, 19655475), (5, 15724380), (6, 13103650), (7, 11231700), (10, 7862190), (12, 6551825), (14, 5615850), (15, 5241460), (20, 3931095), (21, 3743900), (25, 3144876), (28, 2807925), (29, 2711100), (30, 2620730), (35, 2246340), (42, 1871950), (50, 1572438), (58, 1355550), (60, 1310365), (70, 1123170), (75, 1048292), (84, 935975), (87, 903700), (100, 786219), (105, 748780), (116, 677775), (140, 561585), (145, 542220), (150, 524146), (174, 451850), (175, 449268), (203, 387300), (210, 374390), (290, 271110), (300, 262073), (348, 225925), (350, 224634), (406, 193650), (420, 187195), (435, 180740), (525, 149756), (580, 135555), (609, 129100), (700, 112317), (725, 108444), (812, 96825), (870, 90370), (1015, 77460), (1050, 74878), (1218, 64550), (1291, 60900), (1450, 54222), (1740, 45185), (2030, 38730), (2100, 37439), (2175, 36148), (2436, 32275), (2582, 30450), (2900, 27111), (3045, 25820), (3873, 20300), (4060, 19365), (4350, 18074), (5075, 15492), (5164, 15225), (6090, 12910), (6455, 12180), (7746, 10150), (8700, 9037)]