331309620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20681}}^1$

素因数の和:20785

約数の個数: 72

約数和(自身を含む): 1016313480

約数和(自身を除く): 685003860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 16020, 20681, 41362, 62043, 82724, 103405, 124086, 186129, 206810, 248172, 310215, 372258, 413620, 620430, 744516, 930645, 1240860, 1840609, 1861290, 3681218, 3722580, 5521827, 7362436, 9203045, 11043654, 16565481, 18406090, 22087308, 27609135, 33130962, 36812180, 55218270, 66261924, 82827405, 110436540, 165654810, 331309620]

約数ペア:

[(1, 331309620), (2, 165654810), (3, 110436540), (4, 82827405), (5, 66261924), (6, 55218270), (9, 36812180), (10, 33130962), (12, 27609135), (15, 22087308), (18, 18406090), (20, 16565481), (30, 11043654), (36, 9203045), (45, 7362436), (60, 5521827), (89, 3722580), (90, 3681218), (178, 1861290), (180, 1840609), (267, 1240860), (356, 930645), (445, 744516), (534, 620430), (801, 413620), (890, 372258), (1068, 310215), (1335, 248172), (1602, 206810), (1780, 186129), (2670, 124086), (3204, 103405), (4005, 82724), (5340, 62043), (8010, 41362), (16020, 20681)]