15829220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 37895424

約数和(自身を除く): 22066204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 211, 220, 242, 310, 341, 422, 484, 605, 620, 682, 844, 1055, 1210, 1364, 1705, 2110, 2321, 2420, 3410, 3751, 4220, 4642, 6541, 6820, 7502, 9284, 11605, 13082, 15004, 18755, 23210, 25531, 26164, 32705, 37510, 46420, 51062, 65410, 71951, 75020, 102124, 127655, 130820, 143902, 255310, 287804, 359755, 510620, 719510, 791461, 1439020, 1582922, 3165844, 3957305, 7914610, 15829220]

約数ペア:

[(1, 15829220), (2, 7914610), (4, 3957305), (5, 3165844), (10, 1582922), (11, 1439020), (20, 791461), (22, 719510), (31, 510620), (44, 359755), (55, 287804), (62, 255310), (110, 143902), (121, 130820), (124, 127655), (155, 102124), (211, 75020), (220, 71951), (242, 65410), (310, 51062), (341, 46420), (422, 37510), (484, 32705), (605, 26164), (620, 25531), (682, 23210), (844, 18755), (1055, 15004), (1210, 13082), (1364, 11605), (1705, 9284), (2110, 7502), (2321, 6820), (2420, 6541), (3410, 4642), (3751, 4220)]