209635320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40627}}^1$

素因数の和:40684

約数の個数: 64

約数和(自身を含む): 643547520

約数和(自身を除く): 433912200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 40627, 81254, 121881, 162508, 203135, 243762, 325016, 406270, 487524, 609405, 812540, 975048, 1218810, 1625080, 1746961, 2437620, 3493922, 4875240, 5240883, 6987844, 8734805, 10481766, 13975688, 17469610, 20963532, 26204415, 34939220, 41927064, 52408830, 69878440, 104817660, 209635320]

約数ペア:

[(1, 209635320), (2, 104817660), (3, 69878440), (4, 52408830), (5, 41927064), (6, 34939220), (8, 26204415), (10, 20963532), (12, 17469610), (15, 13975688), (20, 10481766), (24, 8734805), (30, 6987844), (40, 5240883), (43, 4875240), (60, 3493922), (86, 2437620), (120, 1746961), (129, 1625080), (172, 1218810), (215, 975048), (258, 812540), (344, 609405), (430, 487524), (516, 406270), (645, 325016), (860, 243762), (1032, 203135), (1290, 162508), (1720, 121881), (2580, 81254), (5160, 40627)]