64449540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 208414080

約数和(自身を除く): 143964540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 71, 82, 90, 108, 123, 135, 142, 164, 180, 205, 213, 246, 270, 284, 355, 369, 410, 426, 492, 540, 615, 639, 710, 738, 820, 852, 1065, 1107, 1230, 1278, 1420, 1476, 1681, 1845, 1917, 2130, 2214, 2460, 2556, 2911, 3195, 3362, 3690, 3834, 4260, 4428, 5043, 5535, 5822, 6390, 6724, 7380, 7668, 8405, 8733, 9585, 10086, 11070, 11644, 12780, 14555, 15129, 16810, 17466, 19170, 20172, 22140, 25215, 26199, 29110, 30258, 33620, 34932, 38340, 43665, 45387, 50430, 52398, 58220, 60516, 75645, 78597, 87330, 90774, 100860, 104796, 119351, 130995, 151290, 157194, 174660, 181548, 226935, 238702, 261990, 302580, 314388, 358053, 392985, 453870, 477404, 523980, 596755, 716106, 785970, 907740, 1074159, 1193510, 1432212, 1571940, 1790265, 2148318, 2387020, 3222477, 3580530, 4296636, 5370795, 6444954, 7161060, 10741590, 12889908, 16112385, 21483180, 32224770, 64449540]

約数ペア:

[(1, 64449540), (2, 32224770), (3, 21483180), (4, 16112385), (5, 12889908), (6, 10741590), (9, 7161060), (10, 6444954), (12, 5370795), (15, 4296636), (18, 3580530), (20, 3222477), (27, 2387020), (30, 2148318), (36, 1790265), (41, 1571940), (45, 1432212), (54, 1193510), (60, 1074159), (71, 907740), (82, 785970), (90, 716106), (108, 596755), (123, 523980), (135, 477404), (142, 453870), (164, 392985), (180, 358053), (205, 314388), (213, 302580), (246, 261990), (270, 238702), (284, 226935), (355, 181548), (369, 174660), (410, 157194), (426, 151290), (492, 130995), (540, 119351), (615, 104796), (639, 100860), (710, 90774), (738, 87330), (820, 78597), (852, 75645), (1065, 60516), (1107, 58220), (1230, 52398), (1278, 50430), (1420, 45387), (1476, 43665), (1681, 38340), (1845, 34932), (1917, 33620), (2130, 30258), (2214, 29110), (2460, 26199), (2556, 25215), (2911, 22140), (3195, 20172), (3362, 19170), (3690, 17466), (3834, 16810), (4260, 15129), (4428, 14555), (5043, 12780), (5535, 11644), (5822, 11070), (6390, 10086), (6724, 9585), (7380, 8733), (7668, 8405)]