87028780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 121990100

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 31, 34, 46, 62, 68, 85, 92, 115, 124, 155, 170, 230, 310, 340, 359, 391, 460, 527, 620, 713, 718, 782, 1054, 1426, 1436, 1564, 1795, 1955, 2108, 2635, 2852, 3565, 3590, 3910, 5270, 6103, 7130, 7180, 7820, 8257, 10540, 11129, 12121, 12206, 14260, 16514, 22258, 24242, 24412, 30515, 33028, 41285, 44516, 48484, 55645, 60605, 61030, 82570, 111290, 121210, 122060, 140369, 165140, 189193, 222580, 242420, 255967, 280738, 378386, 511934, 561476, 701845, 756772, 945965, 1023868, 1279835, 1403690, 1891930, 2559670, 2807380, 3783860, 4351439, 5119340, 8702878, 17405756, 21757195, 43514390, 87028780]

約数ペア:

[(1, 87028780), (2, 43514390), (4, 21757195), (5, 17405756), (10, 8702878), (17, 5119340), (20, 4351439), (23, 3783860), (31, 2807380), (34, 2559670), (46, 1891930), (62, 1403690), (68, 1279835), (85, 1023868), (92, 945965), (115, 756772), (124, 701845), (155, 561476), (170, 511934), (230, 378386), (310, 280738), (340, 255967), (359, 242420), (391, 222580), (460, 189193), (527, 165140), (620, 140369), (713, 122060), (718, 121210), (782, 111290), (1054, 82570), (1426, 61030), (1436, 60605), (1564, 55645), (1795, 48484), (1955, 44516), (2108, 41285), (2635, 33028), (2852, 30515), (3565, 24412), (3590, 24242), (3910, 22258), (5270, 16514), (6103, 14260), (7130, 12206), (7180, 12121), (7820, 11129), (8257, 10540)]