66813460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{863}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 165473280

約数和(自身を除く): 98659820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 863, 980, 1106, 1580, 1726, 2212, 2765, 3452, 3871, 4315, 5530, 6041, 7742, 8630, 11060, 12082, 15484, 17260, 19355, 24164, 30205, 38710, 42287, 60410, 68177, 77420, 84574, 120820, 136354, 169148, 211435, 272708, 340885, 422870, 477239, 681770, 845740, 954478, 1363540, 1908956, 2386195, 3340673, 4772390, 6681346, 9544780, 13362692, 16703365, 33406730, 66813460]

約数ペア:

[(1, 66813460), (2, 33406730), (4, 16703365), (5, 13362692), (7, 9544780), (10, 6681346), (14, 4772390), (20, 3340673), (28, 2386195), (35, 1908956), (49, 1363540), (70, 954478), (79, 845740), (98, 681770), (140, 477239), (158, 422870), (196, 340885), (245, 272708), (316, 211435), (395, 169148), (490, 136354), (553, 120820), (790, 84574), (863, 77420), (980, 68177), (1106, 60410), (1580, 42287), (1726, 38710), (2212, 30205), (2765, 24164), (3452, 19355), (3871, 17260), (4315, 15484), (5530, 12082), (6041, 11060), (7742, 8630)]