66956540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4059

約数の個数: 72

約数和(自身を含む): 173229840

約数和(自身を除く): 106273300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4019, 4165, 8038, 8330, 16076, 16660, 20095, 28133, 40190, 56266, 68323, 80380, 112532, 136646, 140665, 196931, 273292, 281330, 341615, 393862, 478261, 562660, 683230, 787724, 956522, 984655, 1366460, 1913044, 1969310, 2391305, 3347827, 3938620, 4782610, 6695654, 9565220, 13391308, 16739135, 33478270, 66956540]

約数ペア:

[(1, 66956540), (2, 33478270), (4, 16739135), (5, 13391308), (7, 9565220), (10, 6695654), (14, 4782610), (17, 3938620), (20, 3347827), (28, 2391305), (34, 1969310), (35, 1913044), (49, 1366460), (68, 984655), (70, 956522), (85, 787724), (98, 683230), (119, 562660), (140, 478261), (170, 393862), (196, 341615), (238, 281330), (245, 273292), (340, 196931), (476, 140665), (490, 136646), (595, 112532), (833, 80380), (980, 68323), (1190, 56266), (1666, 40190), (2380, 28133), (3332, 20095), (4019, 16660), (4165, 16076), (8038, 8330)]