2531430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2557}}^1$

素因数の和:2581

約数の個数: 48

約数和(自身を含む): 7182864

約数和(自身を除く): 4651434

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 2557, 5114, 7671, 12785, 15342, 23013, 25570, 28127, 38355, 46026, 56254, 76710, 84381, 115065, 140635, 168762, 230130, 253143, 281270, 421905, 506286, 843810, 1265715, 2531430]

約数ペア:

[(1, 2531430), (2, 1265715), (3, 843810), (5, 506286), (6, 421905), (9, 281270), (10, 253143), (11, 230130), (15, 168762), (18, 140635), (22, 115065), (30, 84381), (33, 76710), (45, 56254), (55, 46026), (66, 38355), (90, 28127), (99, 25570), (110, 23013), (165, 15342), (198, 12785), (330, 7671), (495, 5114), (990, 2557)]