42151980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4157}}^1$

素因数の和:4195

約数の個数: 72

約数和(自身を含む): 127833552

約数和(自身を除く): 85681572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 4157, 5070, 8314, 10140, 12471, 16628, 20785, 24942, 41570, 49884, 54041, 62355, 83140, 108082, 124710, 162123, 216164, 249420, 270205, 324246, 540410, 648492, 702533, 810615, 1080820, 1405066, 1621230, 2107599, 2810132, 3242460, 3512665, 4215198, 7025330, 8430396, 10537995, 14050660, 21075990, 42151980]

約数ペア:

[(1, 42151980), (2, 21075990), (3, 14050660), (4, 10537995), (5, 8430396), (6, 7025330), (10, 4215198), (12, 3512665), (13, 3242460), (15, 2810132), (20, 2107599), (26, 1621230), (30, 1405066), (39, 1080820), (52, 810615), (60, 702533), (65, 648492), (78, 540410), (130, 324246), (156, 270205), (169, 249420), (195, 216164), (260, 162123), (338, 124710), (390, 108082), (507, 83140), (676, 62355), (780, 54041), (845, 49884), (1014, 41570), (1690, 24942), (2028, 20785), (2535, 16628), (3380, 12471), (4157, 10140), (5070, 8314)]