64972980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1249}}^1$

素因数の和:1298

約数の個数: 108

約数和(自身を含む): 209527500

約数和(自身を除く): 144554520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 510, 578, 612, 765, 867, 1020, 1156, 1249, 1445, 1530, 1734, 2498, 2601, 2890, 3060, 3468, 3747, 4335, 4996, 5202, 5780, 6245, 7494, 8670, 10404, 11241, 12490, 13005, 14988, 17340, 18735, 21233, 22482, 24980, 26010, 37470, 42466, 44964, 52020, 56205, 63699, 74940, 84932, 106165, 112410, 127398, 191097, 212330, 224820, 254796, 318495, 360961, 382194, 424660, 636990, 721922, 764388, 955485, 1082883, 1273980, 1443844, 1804805, 1910970, 2165766, 3248649, 3609610, 3821940, 4331532, 5414415, 6497298, 7219220, 10828830, 12994596, 16243245, 21657660, 32486490, 64972980]

約数ペア:

[(1, 64972980), (2, 32486490), (3, 21657660), (4, 16243245), (5, 12994596), (6, 10828830), (9, 7219220), (10, 6497298), (12, 5414415), (15, 4331532), (17, 3821940), (18, 3609610), (20, 3248649), (30, 2165766), (34, 1910970), (36, 1804805), (45, 1443844), (51, 1273980), (60, 1082883), (68, 955485), (85, 764388), (90, 721922), (102, 636990), (153, 424660), (170, 382194), (180, 360961), (204, 318495), (255, 254796), (289, 224820), (306, 212330), (340, 191097), (510, 127398), (578, 112410), (612, 106165), (765, 84932), (867, 74940), (1020, 63699), (1156, 56205), (1249, 52020), (1445, 44964), (1530, 42466), (1734, 37470), (2498, 26010), (2601, 24980), (2890, 22482), (3060, 21233), (3468, 18735), (3747, 17340), (4335, 14988), (4996, 13005), (5202, 12490), (5780, 11241), (6245, 10404), (7494, 8670)]