205988040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8059}}^1$

素因数の和:8147

約数の個数: 96

約数和(自身を含む): 678974400

約数和(自身を除く): 472986360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8059, 8520, 12780, 16118, 24177, 25560, 32236, 40295, 48354, 64472, 72531, 80590, 96708, 120885, 145062, 161180, 193416, 241770, 290124, 322360, 362655, 483540, 572189, 580248, 725310, 967080, 1144378, 1450620, 1716567, 2288756, 2860945, 2901240, 3433134, 4577512, 5149701, 5721890, 6866268, 8582835, 10299402, 11443780, 13732536, 17165670, 20598804, 22887560, 25748505, 34331340, 41197608, 51497010, 68662680, 102994020, 205988040]

約数ペア:

[(1, 205988040), (2, 102994020), (3, 68662680), (4, 51497010), (5, 41197608), (6, 34331340), (8, 25748505), (9, 22887560), (10, 20598804), (12, 17165670), (15, 13732536), (18, 11443780), (20, 10299402), (24, 8582835), (30, 6866268), (36, 5721890), (40, 5149701), (45, 4577512), (60, 3433134), (71, 2901240), (72, 2860945), (90, 2288756), (120, 1716567), (142, 1450620), (180, 1144378), (213, 967080), (284, 725310), (355, 580248), (360, 572189), (426, 483540), (568, 362655), (639, 322360), (710, 290124), (852, 241770), (1065, 193416), (1278, 161180), (1420, 145062), (1704, 120885), (2130, 96708), (2556, 80590), (2840, 72531), (3195, 64472), (4260, 48354), (5112, 40295), (6390, 32236), (8059, 25560), (8520, 24177), (12780, 16118)]