218488920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140057}}^1$

素因数の和:140084

約数の個数: 64

約数和(自身を含む): 705892320

約数和(自身を除く): 487403400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 140057, 280114, 420171, 560228, 700285, 840342, 1120456, 1400570, 1680684, 1820741, 2100855, 2801140, 3361368, 3641482, 4201710, 5462223, 5602280, 7282964, 8403420, 9103705, 10924446, 14565928, 16806840, 18207410, 21848892, 27311115, 36414820, 43697784, 54622230, 72829640, 109244460, 218488920]

約数ペア:

[(1, 218488920), (2, 109244460), (3, 72829640), (4, 54622230), (5, 43697784), (6, 36414820), (8, 27311115), (10, 21848892), (12, 18207410), (13, 16806840), (15, 14565928), (20, 10924446), (24, 9103705), (26, 8403420), (30, 7282964), (39, 5602280), (40, 5462223), (52, 4201710), (60, 3641482), (65, 3361368), (78, 2801140), (104, 2100855), (120, 1820741), (130, 1680684), (156, 1400570), (195, 1120456), (260, 840342), (312, 700285), (390, 560228), (520, 420171), (780, 280114), (1560, 140057)]