31211141520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10003571}}^1$

素因数の和:10003600

約数の個数: 80

約数和(自身を含む): 104197205952

約数和(自身を除く): 72986064432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 10003571, 20007142, 30010713, 40014284, 50017855, 60021426, 80028568, 100035710, 120042852, 130046423, 150053565, 160057136, 200071420, 240085704, 260092846, 300107130, 390139269, 400142840, 480171408, 520185692, 600214260, 650232115, 780278538, 800285680, 1040371384, 1200428520, 1300464230, 1560557076, 1950696345, 2080742768, 2400857040, 2600928460, 3121114152, 3901392690, 5201856920, 6242228304, 7802785380, 10403713840, 15605570760, 31211141520]

約数ペア:

[(1, 31211141520), (2, 15605570760), (3, 10403713840), (4, 7802785380), (5, 6242228304), (6, 5201856920), (8, 3901392690), (10, 3121114152), (12, 2600928460), (13, 2400857040), (15, 2080742768), (16, 1950696345), (20, 1560557076), (24, 1300464230), (26, 1200428520), (30, 1040371384), (39, 800285680), (40, 780278538), (48, 650232115), (52, 600214260), (60, 520185692), (65, 480171408), (78, 400142840), (80, 390139269), (104, 300107130), (120, 260092846), (130, 240085704), (156, 200071420), (195, 160057136), (208, 150053565), (240, 130046423), (260, 120042852), (312, 100035710), (390, 80028568), (520, 60021426), (624, 50017855), (780, 40014284), (1040, 30010713), (1560, 20007142), (3120, 10003571)]