31586360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 84672000

約数和(自身を除く): 53085640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 139, 152, 184, 190, 230, 247, 260, 278, 299, 380, 437, 460, 494, 520, 556, 598, 695, 760, 874, 920, 988, 1112, 1196, 1235, 1390, 1495, 1748, 1807, 1976, 2185, 2392, 2470, 2641, 2780, 2990, 3197, 3496, 3614, 4370, 4940, 5282, 5560, 5681, 5980, 6394, 7228, 8740, 9035, 9880, 10564, 11362, 11960, 12788, 13205, 14456, 15985, 17480, 18070, 21128, 22724, 25576, 26410, 28405, 31970, 34333, 36140, 41561, 45448, 52820, 56810, 60743, 63940, 68666, 72280, 83122, 105640, 113620, 121486, 127880, 137332, 166244, 171665, 207805, 227240, 242972, 274664, 303715, 332488, 343330, 415610, 485944, 607430, 686660, 789659, 831220, 1214860, 1373320, 1579318, 1662440, 2429720, 3158636, 3948295, 6317272, 7896590, 15793180, 31586360]

約数ペア:

[(1, 31586360), (2, 15793180), (4, 7896590), (5, 6317272), (8, 3948295), (10, 3158636), (13, 2429720), (19, 1662440), (20, 1579318), (23, 1373320), (26, 1214860), (38, 831220), (40, 789659), (46, 686660), (52, 607430), (65, 485944), (76, 415610), (92, 343330), (95, 332488), (104, 303715), (115, 274664), (130, 242972), (139, 227240), (152, 207805), (184, 171665), (190, 166244), (230, 137332), (247, 127880), (260, 121486), (278, 113620), (299, 105640), (380, 83122), (437, 72280), (460, 68666), (494, 63940), (520, 60743), (556, 56810), (598, 52820), (695, 45448), (760, 41561), (874, 36140), (920, 34333), (988, 31970), (1112, 28405), (1196, 26410), (1235, 25576), (1390, 22724), (1495, 21128), (1748, 18070), (1807, 17480), (1976, 15985), (2185, 14456), (2392, 13205), (2470, 12788), (2641, 11960), (2780, 11362), (2990, 10564), (3197, 9880), (3496, 9035), (3614, 8740), (4370, 7228), (4940, 6394), (5282, 5980), (5560, 5681)]