220132240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2399}}^1$

素因数の和:2480

約数の個数: 80

約数和(自身を含む): 542822400

約数和(自身を除く): 322690160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2399, 2480, 2960, 4588, 4798, 5735, 9176, 9596, 11470, 11995, 18352, 19192, 22940, 23990, 38384, 45880, 47980, 74369, 88763, 91760, 95960, 148738, 177526, 191920, 297476, 355052, 371845, 443815, 594952, 710104, 743690, 887630, 1189904, 1420208, 1487380, 1775260, 2751653, 2974760, 3550520, 5503306, 5949520, 7101040, 11006612, 13758265, 22013224, 27516530, 44026448, 55033060, 110066120, 220132240]

約数ペア:

[(1, 220132240), (2, 110066120), (4, 55033060), (5, 44026448), (8, 27516530), (10, 22013224), (16, 13758265), (20, 11006612), (31, 7101040), (37, 5949520), (40, 5503306), (62, 3550520), (74, 2974760), (80, 2751653), (124, 1775260), (148, 1487380), (155, 1420208), (185, 1189904), (248, 887630), (296, 743690), (310, 710104), (370, 594952), (496, 443815), (592, 371845), (620, 355052), (740, 297476), (1147, 191920), (1240, 177526), (1480, 148738), (2294, 95960), (2399, 91760), (2480, 88763), (2960, 74369), (4588, 47980), (4798, 45880), (5735, 38384), (9176, 23990), (9596, 22940), (11470, 19192), (11995, 18352)]