281382660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 240

約数和(自身を含む): 983549952

約数和(自身を除く): 702167292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 180, 186, 195, 234, 260, 270, 279, 310, 324, 351, 372, 390, 403, 405, 431, 465, 468, 540, 558, 585, 620, 702, 780, 806, 810, 837, 862, 930, 1053, 1116, 1170, 1209, 1293, 1395, 1404, 1612, 1620, 1674, 1724, 1755, 1860, 2015, 2106, 2155, 2340, 2418, 2511, 2586, 2790, 3348, 3510, 3627, 3879, 4030, 4185, 4212, 4310, 4836, 5022, 5172, 5265, 5580, 5603, 6045, 6465, 7020, 7254, 7758, 8060, 8370, 8620, 10044, 10530, 10881, 11206, 11637, 12090, 12555, 12930, 13361, 14508, 15516, 16740, 16809, 18135, 19395, 21060, 21762, 22412, 23274, 24180, 25110, 25860, 26722, 28015, 32643, 33618, 34911, 36270, 38790, 40083, 43524, 46548, 50220, 50427, 53444, 54405, 56030, 58185, 65286, 66805, 67236, 69822, 72540, 77580, 80166, 84045, 100854, 108810, 112060, 116370, 120249, 130572, 133610, 139644, 151281, 160332, 163215, 168090, 173693, 174555, 200415, 201708, 217620, 232740, 240498, 252135, 267220, 302562, 326430, 336180, 347386, 349110, 360747, 400830, 453843, 480996, 504270, 521079, 601245, 605124, 652860, 694772, 698220, 721494, 756405, 801660, 868465, 907686, 1008540, 1042158, 1082241, 1202490, 1442988, 1512810, 1563237, 1736930, 1803735, 1815372, 2084316, 2164482, 2269215, 2404980, 2605395, 3025620, 3126474, 3473860, 3607470, 4328964, 4538430, 4689711, 5210790, 5411205, 6252948, 7214940, 7816185, 9076860, 9379422, 10421580, 10822410, 14069133, 15632370, 18758844, 21644820, 23448555, 28138266, 31264740, 46897110, 56276532, 70345665, 93794220, 140691330, 281382660]

約数ペア:

[(1, 281382660), (2, 140691330), (3, 93794220), (4, 70345665), (5, 56276532), (6, 46897110), (9, 31264740), (10, 28138266), (12, 23448555), (13, 21644820), (15, 18758844), (18, 15632370), (20, 14069133), (26, 10822410), (27, 10421580), (30, 9379422), (31, 9076860), (36, 7816185), (39, 7214940), (45, 6252948), (52, 5411205), (54, 5210790), (60, 4689711), (62, 4538430), (65, 4328964), (78, 3607470), (81, 3473860), (90, 3126474), (93, 3025620), (108, 2605395), (117, 2404980), (124, 2269215), (130, 2164482), (135, 2084316), (155, 1815372), (156, 1803735), (162, 1736930), (180, 1563237), (186, 1512810), (195, 1442988), (234, 1202490), (260, 1082241), (270, 1042158), (279, 1008540), (310, 907686), (324, 868465), (351, 801660), (372, 756405), (390, 721494), (403, 698220), (405, 694772), (431, 652860), (465, 605124), (468, 601245), (540, 521079), (558, 504270), (585, 480996), (620, 453843), (702, 400830), (780, 360747), (806, 349110), (810, 347386), (837, 336180), (862, 326430), (930, 302562), (1053, 267220), (1116, 252135), (1170, 240498), (1209, 232740), (1293, 217620), (1395, 201708), (1404, 200415), (1612, 174555), (1620, 173693), (1674, 168090), (1724, 163215), (1755, 160332), (1860, 151281), (2015, 139644), (2106, 133610), (2155, 130572), (2340, 120249), (2418, 116370), (2511, 112060), (2586, 108810), (2790, 100854), (3348, 84045), (3510, 80166), (3627, 77580), (3879, 72540), (4030, 69822), (4185, 67236), (4212, 66805), (4310, 65286), (4836, 58185), (5022, 56030), (5172, 54405), (5265, 53444), (5580, 50427), (5603, 50220), (6045, 46548), (6465, 43524), (7020, 40083), (7254, 38790), (7758, 36270), (8060, 34911), (8370, 33618), (8620, 32643), (10044, 28015), (10530, 26722), (10881, 25860), (11206, 25110), (11637, 24180), (12090, 23274), (12555, 22412), (12930, 21762), (13361, 21060), (14508, 19395), (15516, 18135), (16740, 16809)]