87890010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 247968000

約数和(自身を除く): 160077990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 29, 30, 38, 39, 57, 58, 65, 78, 87, 95, 114, 130, 145, 174, 190, 195, 247, 285, 290, 377, 390, 409, 435, 494, 551, 570, 741, 754, 818, 870, 1102, 1131, 1227, 1235, 1482, 1653, 1885, 2045, 2262, 2454, 2470, 2755, 3306, 3705, 3770, 4090, 5317, 5510, 5655, 6135, 7163, 7410, 7771, 8265, 10634, 11310, 11861, 12270, 14326, 15542, 15951, 16530, 21489, 23313, 23722, 26585, 31902, 35583, 35815, 38855, 42978, 46626, 53170, 59305, 71166, 71630, 77710, 79755, 101023, 107445, 116565, 118610, 154193, 159510, 177915, 202046, 214890, 225359, 233130, 303069, 308386, 355830, 450718, 462579, 505115, 606138, 676077, 770965, 925158, 1010230, 1126795, 1352154, 1515345, 1541930, 2253590, 2312895, 2929667, 3030690, 3380385, 4625790, 5859334, 6760770, 8789001, 14648335, 17578002, 29296670, 43945005, 87890010]

約数ペア:

[(1, 87890010), (2, 43945005), (3, 29296670), (5, 17578002), (6, 14648335), (10, 8789001), (13, 6760770), (15, 5859334), (19, 4625790), (26, 3380385), (29, 3030690), (30, 2929667), (38, 2312895), (39, 2253590), (57, 1541930), (58, 1515345), (65, 1352154), (78, 1126795), (87, 1010230), (95, 925158), (114, 770965), (130, 676077), (145, 606138), (174, 505115), (190, 462579), (195, 450718), (247, 355830), (285, 308386), (290, 303069), (377, 233130), (390, 225359), (409, 214890), (435, 202046), (494, 177915), (551, 159510), (570, 154193), (741, 118610), (754, 116565), (818, 107445), (870, 101023), (1102, 79755), (1131, 77710), (1227, 71630), (1235, 71166), (1482, 59305), (1653, 53170), (1885, 46626), (2045, 42978), (2262, 38855), (2454, 35815), (2470, 35583), (2755, 31902), (3306, 26585), (3705, 23722), (3770, 23313), (4090, 21489), (5317, 16530), (5510, 15951), (5655, 15542), (6135, 14326), (7163, 12270), (7410, 11861), (7771, 11310), (8265, 10634)]