1591740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 4979520

約数和(自身を除く): 3387780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 239, 333, 370, 444, 478, 555, 666, 717, 740, 956, 1110, 1195, 1332, 1434, 1665, 2151, 2220, 2390, 2868, 3330, 3585, 4302, 4780, 6660, 7170, 8604, 8843, 10755, 14340, 17686, 21510, 26529, 35372, 43020, 44215, 53058, 79587, 88430, 106116, 132645, 159174, 176860, 265290, 318348, 397935, 530580, 795870, 1591740]

約数ペア:

[(1, 1591740), (2, 795870), (3, 530580), (4, 397935), (5, 318348), (6, 265290), (9, 176860), (10, 159174), (12, 132645), (15, 106116), (18, 88430), (20, 79587), (30, 53058), (36, 44215), (37, 43020), (45, 35372), (60, 26529), (74, 21510), (90, 17686), (111, 14340), (148, 10755), (180, 8843), (185, 8604), (222, 7170), (239, 6660), (333, 4780), (370, 4302), (444, 3585), (478, 3330), (555, 2868), (666, 2390), (717, 2220), (740, 2151), (956, 1665), (1110, 1434), (1195, 1332)]