42037020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 128047920

約数和(自身を除く): 86010900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 571, 818, 1142, 1227, 1636, 1713, 2045, 2284, 2454, 2855, 3426, 3681, 4090, 4908, 5139, 5710, 6135, 6852, 7362, 8180, 8565, 10278, 11420, 12270, 14724, 17130, 18405, 20556, 24540, 25695, 34260, 36810, 51390, 73620, 102780, 233539, 467078, 700617, 934156, 1167695, 1401234, 2101851, 2335390, 2802468, 3503085, 4203702, 4670780, 7006170, 8407404, 10509255, 14012340, 21018510, 42037020]

約数ペア:

[(1, 42037020), (2, 21018510), (3, 14012340), (4, 10509255), (5, 8407404), (6, 7006170), (9, 4670780), (10, 4203702), (12, 3503085), (15, 2802468), (18, 2335390), (20, 2101851), (30, 1401234), (36, 1167695), (45, 934156), (60, 700617), (90, 467078), (180, 233539), (409, 102780), (571, 73620), (818, 51390), (1142, 36810), (1227, 34260), (1636, 25695), (1713, 24540), (2045, 20556), (2284, 18405), (2454, 17130), (2855, 14724), (3426, 12270), (3681, 11420), (4090, 10278), (4908, 8565), (5139, 8180), (5710, 7362), (6135, 6852)]