51620580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 216

約数和(自身を含む): 182617344

約数和(自身を除く): 130996764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 31, 33, 36, 44, 45, 55, 58, 60, 62, 66, 87, 90, 93, 99, 110, 116, 124, 132, 145, 155, 165, 174, 180, 186, 198, 220, 261, 279, 290, 310, 319, 330, 341, 348, 372, 396, 435, 465, 495, 522, 558, 580, 620, 638, 660, 682, 841, 870, 899, 930, 957, 990, 1023, 1044, 1116, 1276, 1305, 1364, 1395, 1595, 1682, 1705, 1740, 1798, 1860, 1914, 1980, 2046, 2523, 2610, 2697, 2790, 2871, 3069, 3190, 3364, 3410, 3596, 3828, 4092, 4205, 4495, 4785, 5046, 5115, 5220, 5394, 5580, 5742, 6138, 6380, 6820, 7569, 8091, 8410, 8990, 9251, 9570, 9889, 10092, 10230, 10788, 11484, 12276, 12615, 13485, 14355, 15138, 15345, 16182, 16820, 17980, 18502, 19140, 19778, 20460, 25230, 26071, 26970, 27753, 28710, 29667, 30276, 30690, 32364, 37004, 37845, 39556, 40455, 46255, 49445, 50460, 52142, 53940, 55506, 57420, 59334, 61380, 75690, 78213, 80910, 83259, 89001, 92510, 98890, 104284, 111012, 118668, 130355, 138765, 148335, 151380, 156426, 161820, 166518, 178002, 185020, 197780, 234639, 260710, 277530, 286781, 296670, 312852, 333036, 356004, 391065, 416295, 445005, 469278, 521420, 555060, 573562, 593340, 782130, 832590, 860343, 890010, 938556, 1147124, 1173195, 1433905, 1564260, 1665180, 1720686, 1780020, 2346390, 2581029, 2867810, 3441372, 4301715, 4692780, 5162058, 5735620, 8603430, 10324116, 12905145, 17206860, 25810290, 51620580]

約数ペア:

[(1, 51620580), (2, 25810290), (3, 17206860), (4, 12905145), (5, 10324116), (6, 8603430), (9, 5735620), (10, 5162058), (11, 4692780), (12, 4301715), (15, 3441372), (18, 2867810), (20, 2581029), (22, 2346390), (29, 1780020), (30, 1720686), (31, 1665180), (33, 1564260), (36, 1433905), (44, 1173195), (45, 1147124), (55, 938556), (58, 890010), (60, 860343), (62, 832590), (66, 782130), (87, 593340), (90, 573562), (93, 555060), (99, 521420), (110, 469278), (116, 445005), (124, 416295), (132, 391065), (145, 356004), (155, 333036), (165, 312852), (174, 296670), (180, 286781), (186, 277530), (198, 260710), (220, 234639), (261, 197780), (279, 185020), (290, 178002), (310, 166518), (319, 161820), (330, 156426), (341, 151380), (348, 148335), (372, 138765), (396, 130355), (435, 118668), (465, 111012), (495, 104284), (522, 98890), (558, 92510), (580, 89001), (620, 83259), (638, 80910), (660, 78213), (682, 75690), (841, 61380), (870, 59334), (899, 57420), (930, 55506), (957, 53940), (990, 52142), (1023, 50460), (1044, 49445), (1116, 46255), (1276, 40455), (1305, 39556), (1364, 37845), (1395, 37004), (1595, 32364), (1682, 30690), (1705, 30276), (1740, 29667), (1798, 28710), (1860, 27753), (1914, 26970), (1980, 26071), (2046, 25230), (2523, 20460), (2610, 19778), (2697, 19140), (2790, 18502), (2871, 17980), (3069, 16820), (3190, 16182), (3364, 15345), (3410, 15138), (3596, 14355), (3828, 13485), (4092, 12615), (4205, 12276), (4495, 11484), (4785, 10788), (5046, 10230), (5115, 10092), (5220, 9889), (5394, 9570), (5580, 9251), (5742, 8990), (6138, 8410), (6380, 8091), (6820, 7569)]