15154040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 39070080

約数和(自身を除く): 23916040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 101, 110, 121, 124, 155, 202, 220, 242, 248, 310, 341, 404, 440, 484, 505, 605, 620, 682, 808, 968, 1010, 1111, 1210, 1240, 1364, 1705, 2020, 2222, 2420, 2728, 3131, 3410, 3751, 4040, 4444, 4840, 5555, 6262, 6820, 7502, 8888, 11110, 12221, 12524, 13640, 15004, 15655, 18755, 22220, 24442, 25048, 30008, 31310, 34441, 37510, 44440, 48884, 61105, 62620, 68882, 75020, 97768, 122210, 125240, 137764, 150040, 172205, 244420, 275528, 344410, 378851, 488840, 688820, 757702, 1377640, 1515404, 1894255, 3030808, 3788510, 7577020, 15154040]

約数ペア:

[(1, 15154040), (2, 7577020), (4, 3788510), (5, 3030808), (8, 1894255), (10, 1515404), (11, 1377640), (20, 757702), (22, 688820), (31, 488840), (40, 378851), (44, 344410), (55, 275528), (62, 244420), (88, 172205), (101, 150040), (110, 137764), (121, 125240), (124, 122210), (155, 97768), (202, 75020), (220, 68882), (242, 62620), (248, 61105), (310, 48884), (341, 44440), (404, 37510), (440, 34441), (484, 31310), (505, 30008), (605, 25048), (620, 24442), (682, 22220), (808, 18755), (968, 15655), (1010, 15004), (1111, 13640), (1210, 12524), (1240, 12221), (1364, 11110), (1705, 8888), (2020, 7502), (2222, 6820), (2420, 6262), (2728, 5555), (3131, 4840), (3410, 4444), (3751, 4040)]