155619380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1629

約数の個数: 96

約数和(自身を含む): 402554880

約数和(自身を除く): 246935500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1426, 1559, 1610, 2170, 2852, 3118, 3220, 3565, 4340, 4991, 6236, 7130, 7795, 9982, 10913, 14260, 15590, 19964, 21826, 24955, 31180, 35857, 43652, 48329, 49910, 54565, 71714, 96658, 99820, 109130, 143428, 179285, 193316, 218260, 241645, 250999, 338303, 358570, 483290, 501998, 676606, 717140, 966580, 1003996, 1111567, 1254995, 1353212, 1691515, 2223134, 2509990, 3383030, 4446268, 5019980, 5557835, 6766060, 7780969, 11115670, 15561938, 22231340, 31123876, 38904845, 77809690, 155619380]

約数ペア:

[(1, 155619380), (2, 77809690), (4, 38904845), (5, 31123876), (7, 22231340), (10, 15561938), (14, 11115670), (20, 7780969), (23, 6766060), (28, 5557835), (31, 5019980), (35, 4446268), (46, 3383030), (62, 2509990), (70, 2223134), (92, 1691515), (115, 1353212), (124, 1254995), (140, 1111567), (155, 1003996), (161, 966580), (217, 717140), (230, 676606), (310, 501998), (322, 483290), (434, 358570), (460, 338303), (620, 250999), (644, 241645), (713, 218260), (805, 193316), (868, 179285), (1085, 143428), (1426, 109130), (1559, 99820), (1610, 96658), (2170, 71714), (2852, 54565), (3118, 49910), (3220, 48329), (3565, 43652), (4340, 35857), (4991, 31180), (6236, 24955), (7130, 21826), (7795, 19964), (9982, 15590), (10913, 14260)]