4456920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2884

約数の個数: 64

約数和(自身を含む): 14404320

約数和(自身を除く): 9947400

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, 2857, 5714, 8571, 11428, 14285, 17142, 22856, 28570, 34284, 37141, 42855, 57140, 68568, 74282, 85710, 111423, 114280, 148564, 171420, 185705, 222846, 297128, 342840, 371410, 445692, 557115, 742820, 891384, 1114230, 1485640, 2228460, 4456920]

約数ペア:

[(1, 4456920), (2, 2228460), (3, 1485640), (4, 1114230), (5, 891384), (6, 742820), (8, 557115), (10, 445692), (12, 371410), (13, 342840), (15, 297128), (20, 222846), (24, 185705), (26, 171420), (30, 148564), (39, 114280), (40, 111423), (52, 85710), (60, 74282), (65, 68568), (78, 57140), (104, 42855), (120, 37141), (130, 34284), (156, 28570), (195, 22856), (260, 17142), (312, 14285), (390, 11428), (520, 8571), (780, 5714), (1560, 2857)]