661740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 1905120

約数和(自身を除く): 1243380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 269, 410, 492, 538, 615, 807, 820, 1076, 1230, 1345, 1614, 2460, 2690, 3228, 4035, 5380, 8070, 11029, 16140, 22058, 33087, 44116, 55145, 66174, 110290, 132348, 165435, 220580, 330870, 661740]

約数ペア:

[(1, 661740), (2, 330870), (3, 220580), (4, 165435), (5, 132348), (6, 110290), (10, 66174), (12, 55145), (15, 44116), (20, 33087), (30, 22058), (41, 16140), (60, 11029), (82, 8070), (123, 5380), (164, 4035), (205, 3228), (246, 2690), (269, 2460), (410, 1614), (492, 1345), (538, 1230), (615, 1076), (807, 820)]