8380920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 25338240

約数和(自身を除く): 16957320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 331, 422, 633, 662, 844, 993, 1055, 1266, 1324, 1655, 1688, 1986, 2110, 2532, 2648, 3165, 3310, 3972, 4220, 4965, 5064, 6330, 6620, 7944, 8440, 9930, 12660, 13240, 19860, 25320, 39720, 69841, 139682, 209523, 279364, 349205, 419046, 558728, 698410, 838092, 1047615, 1396820, 1676184, 2095230, 2793640, 4190460, 8380920]

約数ペア:

[(1, 8380920), (2, 4190460), (3, 2793640), (4, 2095230), (5, 1676184), (6, 1396820), (8, 1047615), (10, 838092), (12, 698410), (15, 558728), (20, 419046), (24, 349205), (30, 279364), (40, 209523), (60, 139682), (120, 69841), (211, 39720), (331, 25320), (422, 19860), (633, 13240), (662, 12660), (844, 9930), (993, 8440), (1055, 7944), (1266, 6620), (1324, 6330), (1655, 5064), (1688, 4965), (1986, 4220), (2110, 3972), (2532, 3310), (2648, 3165)]