221791860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{72481}}^1$

素因数の和:72513

約数の個数: 72

約数和(自身を含む): 712353096

約数和(自身を除く): 490561236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 72481, 144962, 217443, 289924, 362405, 434886, 652329, 724810, 869772, 1087215, 1232177, 1304658, 1449620, 2174430, 2464354, 2609316, 3261645, 3696531, 4348860, 4928708, 6160885, 6523290, 7393062, 11089593, 12321770, 13046580, 14786124, 18482655, 22179186, 24643540, 36965310, 44358372, 55447965, 73930620, 110895930, 221791860]

約数ペア:

[(1, 221791860), (2, 110895930), (3, 73930620), (4, 55447965), (5, 44358372), (6, 36965310), (9, 24643540), (10, 22179186), (12, 18482655), (15, 14786124), (17, 13046580), (18, 12321770), (20, 11089593), (30, 7393062), (34, 6523290), (36, 6160885), (45, 4928708), (51, 4348860), (60, 3696531), (68, 3261645), (85, 2609316), (90, 2464354), (102, 2174430), (153, 1449620), (170, 1304658), (180, 1232177), (204, 1087215), (255, 869772), (306, 724810), (340, 652329), (510, 434886), (612, 362405), (765, 289924), (1020, 217443), (1530, 144962), (3060, 72481)]