6680660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 17322984

約数和(自身を除く): 10642324

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, 401, 476, 490, 595, 802, 833, 980, 1190, 1604, 1666, 2005, 2380, 2807, 3332, 4010, 4165, 5614, 6817, 8020, 8330, 11228, 13634, 14035, 16660, 19649, 27268, 28070, 34085, 39298, 47719, 56140, 68170, 78596, 95438, 98245, 136340, 190876, 196490, 238595, 334033, 392980, 477190, 668066, 954380, 1336132, 1670165, 3340330, 6680660]

約数ペア:

[(1, 6680660), (2, 3340330), (4, 1670165), (5, 1336132), (7, 954380), (10, 668066), (14, 477190), (17, 392980), (20, 334033), (28, 238595), (34, 196490), (35, 190876), (49, 136340), (68, 98245), (70, 95438), (85, 78596), (98, 68170), (119, 56140), (140, 47719), (170, 39298), (196, 34085), (238, 28070), (245, 27268), (340, 19649), (401, 16660), (476, 14035), (490, 13634), (595, 11228), (802, 8330), (833, 8020), (980, 6817), (1190, 5614), (1604, 4165), (1666, 4010), (2005, 3332), (2380, 2807)]