72784620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1439}}^1$

素因数の和:1735

約数の個数: 72

約数和(自身を含む): 221719680

約数和(自身を除く): 148935060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1405, 1439, 1686, 2529, 2810, 2878, 3372, 4215, 4317, 5058, 5620, 5756, 7195, 8430, 8634, 10116, 12645, 12951, 14390, 16860, 17268, 21585, 25290, 25902, 28780, 43170, 50580, 51804, 64755, 86340, 129510, 259020, 404359, 808718, 1213077, 1617436, 2021795, 2426154, 3639231, 4043590, 4852308, 6065385, 7278462, 8087180, 12130770, 14556924, 18196155, 24261540, 36392310, 72784620]

約数ペア:

[(1, 72784620), (2, 36392310), (3, 24261540), (4, 18196155), (5, 14556924), (6, 12130770), (9, 8087180), (10, 7278462), (12, 6065385), (15, 4852308), (18, 4043590), (20, 3639231), (30, 2426154), (36, 2021795), (45, 1617436), (60, 1213077), (90, 808718), (180, 404359), (281, 259020), (562, 129510), (843, 86340), (1124, 64755), (1405, 51804), (1439, 50580), (1686, 43170), (2529, 28780), (2810, 25902), (2878, 25290), (3372, 21585), (4215, 17268), (4317, 16860), (5058, 14390), (5620, 12951), (5756, 12645), (7195, 10116), (8430, 8634)]