15793180

素因数分解:

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

素因数の和:203

約数の個数: 96

約数和(自身を含む): 39513600

約数和(自身を除く): 23720420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 139, 190, 230, 247, 260, 278, 299, 380, 437, 460, 494, 556, 598, 695, 874, 988, 1196, 1235, 1390, 1495, 1748, 1807, 2185, 2470, 2641, 2780, 2990, 3197, 3614, 4370, 4940, 5282, 5681, 5980, 6394, 7228, 8740, 9035, 10564, 11362, 12788, 13205, 15985, 18070, 22724, 26410, 28405, 31970, 34333, 36140, 41561, 52820, 56810, 60743, 63940, 68666, 83122, 113620, 121486, 137332, 166244, 171665, 207805, 242972, 303715, 343330, 415610, 607430, 686660, 789659, 831220, 1214860, 1579318, 3158636, 3948295, 7896590, 15793180]

約数ペア:

[(1, 15793180), (2, 7896590), (4, 3948295), (5, 3158636), (10, 1579318), (13, 1214860), (19, 831220), (20, 789659), (23, 686660), (26, 607430), (38, 415610), (46, 343330), (52, 303715), (65, 242972), (76, 207805), (92, 171665), (95, 166244), (115, 137332), (130, 121486), (139, 113620), (190, 83122), (230, 68666), (247, 63940), (260, 60743), (278, 56810), (299, 52820), (380, 41561), (437, 36140), (460, 34333), (494, 31970), (556, 28405), (598, 26410), (695, 22724), (874, 18070), (988, 15985), (1196, 13205), (1235, 12788), (1390, 11362), (1495, 10564), (1748, 9035), (1807, 8740), (2185, 7228), (2470, 6394), (2641, 5980), (2780, 5681), (2990, 5282), (3197, 4940), (3614, 4370)]