2573820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 7949760

約数和(自身を除く): 5375940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 181, 237, 316, 362, 395, 474, 543, 711, 724, 790, 905, 948, 1086, 1185, 1422, 1580, 1629, 1810, 2172, 2370, 2715, 2844, 3258, 3555, 3620, 4740, 5430, 6516, 7110, 8145, 10860, 14220, 14299, 16290, 28598, 32580, 42897, 57196, 71495, 85794, 128691, 142990, 171588, 214485, 257382, 285980, 428970, 514764, 643455, 857940, 1286910, 2573820]

約数ペア:

[(1, 2573820), (2, 1286910), (3, 857940), (4, 643455), (5, 514764), (6, 428970), (9, 285980), (10, 257382), (12, 214485), (15, 171588), (18, 142990), (20, 128691), (30, 85794), (36, 71495), (45, 57196), (60, 42897), (79, 32580), (90, 28598), (158, 16290), (180, 14299), (181, 14220), (237, 10860), (316, 8145), (362, 7110), (395, 6516), (474, 5430), (543, 4740), (711, 3620), (724, 3555), (790, 3258), (905, 2844), (948, 2715), (1086, 2370), (1185, 2172), (1422, 1810), (1580, 1629)]