155533820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:915

約数の個数: 96

約数和(自身を含む): 379330560

約数和(自身を除く): 223796740

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 31, 46, 52, 62, 65, 92, 115, 124, 130, 155, 230, 260, 299, 310, 403, 460, 598, 620, 713, 806, 839, 1196, 1426, 1495, 1612, 1678, 2015, 2852, 2990, 3356, 3565, 4030, 4195, 5980, 7130, 8060, 8390, 9269, 10907, 14260, 16780, 18538, 19297, 21814, 26009, 37076, 38594, 43628, 46345, 52018, 54535, 77188, 92690, 96485, 104036, 109070, 130045, 185380, 192970, 218140, 250861, 260090, 338117, 385940, 501722, 520180, 598207, 676234, 1003444, 1196414, 1254305, 1352468, 1690585, 2392828, 2508610, 2991035, 3381170, 5017220, 5982070, 6762340, 7776691, 11964140, 15553382, 31106764, 38883455, 77766910, 155533820]

約数ペア:

[(1, 155533820), (2, 77766910), (4, 38883455), (5, 31106764), (10, 15553382), (13, 11964140), (20, 7776691), (23, 6762340), (26, 5982070), (31, 5017220), (46, 3381170), (52, 2991035), (62, 2508610), (65, 2392828), (92, 1690585), (115, 1352468), (124, 1254305), (130, 1196414), (155, 1003444), (230, 676234), (260, 598207), (299, 520180), (310, 501722), (403, 385940), (460, 338117), (598, 260090), (620, 250861), (713, 218140), (806, 192970), (839, 185380), (1196, 130045), (1426, 109070), (1495, 104036), (1612, 96485), (1678, 92690), (2015, 77188), (2852, 54535), (2990, 52018), (3356, 46345), (3565, 43628), (4030, 38594), (4195, 37076), (5980, 26009), (7130, 21814), (8060, 19297), (8390, 18538), (9269, 16780), (10907, 14260)]