387945574440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{20591591}}^1$

素因数の和:20591762

約数の個数: 64

約数和(自身を含む): 1171249752960

約数和(自身を除く): 783304178520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 20591591, 41183182, 61774773, 82366364, 102957955, 123549546, 164732728, 205915910, 247099092, 308873865, 411831820, 494198184, 617747730, 823663640, 1235495460, 2470990920, 3232879787, 6465759574, 9698639361, 12931519148, 16164398935, 19397278722, 25863038296, 32328797870, 38794557444, 48493196805, 64657595740, 77589114888, 96986393610, 129315191480, 193972787220, 387945574440]

約数ペア:

[(1, 387945574440), (2, 193972787220), (3, 129315191480), (4, 96986393610), (5, 77589114888), (6, 64657595740), (8, 48493196805), (10, 38794557444), (12, 32328797870), (15, 25863038296), (20, 19397278722), (24, 16164398935), (30, 12931519148), (40, 9698639361), (60, 6465759574), (120, 3232879787), (157, 2470990920), (314, 1235495460), (471, 823663640), (628, 617747730), (785, 494198184), (942, 411831820), (1256, 308873865), (1570, 247099092), (1884, 205915910), (2355, 164732728), (3140, 123549546), (3768, 102957955), (4710, 82366364), (6280, 61774773), (9420, 41183182), (18840, 20591591)]