261274572

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 288

約数和(自身を含む): 821882880

約数和(自身を除く): 560608308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 29, 31, 36, 39, 46, 52, 54, 58, 62, 69, 78, 81, 87, 92, 93, 108, 116, 117, 124, 138, 156, 162, 174, 186, 207, 234, 243, 261, 276, 279, 299, 324, 348, 351, 372, 377, 403, 414, 468, 486, 522, 558, 598, 621, 667, 702, 713, 754, 783, 806, 828, 837, 897, 899, 972, 1044, 1053, 1116, 1131, 1196, 1209, 1242, 1334, 1404, 1426, 1508, 1566, 1612, 1674, 1794, 1798, 1863, 2001, 2106, 2139, 2262, 2349, 2418, 2484, 2511, 2668, 2691, 2697, 2852, 3132, 3159, 3348, 3393, 3588, 3596, 3627, 3726, 4002, 4212, 4278, 4524, 4698, 4836, 5022, 5382, 5394, 5589, 6003, 6318, 6417, 6786, 7047, 7254, 7452, 7533, 8004, 8073, 8091, 8556, 8671, 9269, 9396, 10044, 10179, 10764, 10788, 10881, 11178, 11687, 12006, 12636, 12834, 13572, 14094, 14508, 15066, 16146, 16182, 17342, 18009, 18538, 19251, 20358, 20677, 21762, 22356, 23374, 24012, 24219, 24273, 25668, 26013, 27807, 28188, 30132, 30537, 32292, 32364, 32643, 34684, 35061, 36018, 37076, 38502, 40716, 41354, 43524, 46748, 48438, 48546, 52026, 54027, 55614, 57753, 61074, 62031, 65286, 70122, 72036, 72657, 72819, 77004, 78039, 82708, 83421, 91611, 96876, 97092, 97929, 104052, 105183, 108054, 111228, 115506, 122148, 124062, 130572, 140244, 145314, 145638, 156078, 162081, 166842, 173259, 183222, 186093, 195858, 210366, 216108, 218457, 231012, 234117, 248124, 250263, 268801, 290628, 291276, 312156, 315549, 324162, 333684, 346518, 366444, 372186, 391716, 420732, 436914, 468234, 500526, 537602, 558279, 631098, 648324, 693036, 702351, 744372, 750789, 806403, 873828, 936468, 946647, 1001052, 1075204, 1116558, 1262196, 1404702, 1501578, 1612806, 1674837, 1893294, 2107053, 2233116, 2252367, 2419209, 2809404, 2839941, 3003156, 3225612, 3349674, 3786588, 4214106, 4504734, 4838418, 5024511, 5679882, 6699348, 7257627, 8428212, 9009468, 9676836, 10049022, 11359764, 14515254, 20098044, 21772881, 29030508, 43545762, 65318643, 87091524, 130637286, 261274572]

約数ペア:

[(1, 261274572), (2, 130637286), (3, 87091524), (4, 65318643), (6, 43545762), (9, 29030508), (12, 21772881), (13, 20098044), (18, 14515254), (23, 11359764), (26, 10049022), (27, 9676836), (29, 9009468), (31, 8428212), (36, 7257627), (39, 6699348), (46, 5679882), (52, 5024511), (54, 4838418), (58, 4504734), (62, 4214106), (69, 3786588), (78, 3349674), (81, 3225612), (87, 3003156), (92, 2839941), (93, 2809404), (108, 2419209), (116, 2252367), (117, 2233116), (124, 2107053), (138, 1893294), (156, 1674837), (162, 1612806), (174, 1501578), (186, 1404702), (207, 1262196), (234, 1116558), (243, 1075204), (261, 1001052), (276, 946647), (279, 936468), (299, 873828), (324, 806403), (348, 750789), (351, 744372), (372, 702351), (377, 693036), (403, 648324), (414, 631098), (468, 558279), (486, 537602), (522, 500526), (558, 468234), (598, 436914), (621, 420732), (667, 391716), (702, 372186), (713, 366444), (754, 346518), (783, 333684), (806, 324162), (828, 315549), (837, 312156), (897, 291276), (899, 290628), (972, 268801), (1044, 250263), (1053, 248124), (1116, 234117), (1131, 231012), (1196, 218457), (1209, 216108), (1242, 210366), (1334, 195858), (1404, 186093), (1426, 183222), (1508, 173259), (1566, 166842), (1612, 162081), (1674, 156078), (1794, 145638), (1798, 145314), (1863, 140244), (2001, 130572), (2106, 124062), (2139, 122148), (2262, 115506), (2349, 111228), (2418, 108054), (2484, 105183), (2511, 104052), (2668, 97929), (2691, 97092), (2697, 96876), (2852, 91611), (3132, 83421), (3159, 82708), (3348, 78039), (3393, 77004), (3588, 72819), (3596, 72657), (3627, 72036), (3726, 70122), (4002, 65286), (4212, 62031), (4278, 61074), (4524, 57753), (4698, 55614), (4836, 54027), (5022, 52026), (5382, 48546), (5394, 48438), (5589, 46748), (6003, 43524), (6318, 41354), (6417, 40716), (6786, 38502), (7047, 37076), (7254, 36018), (7452, 35061), (7533, 34684), (8004, 32643), (8073, 32364), (8091, 32292), (8556, 30537), (8671, 30132), (9269, 28188), (9396, 27807), (10044, 26013), (10179, 25668), (10764, 24273), (10788, 24219), (10881, 24012), (11178, 23374), (11687, 22356), (12006, 21762), (12636, 20677), (12834, 20358), (13572, 19251), (14094, 18538), (14508, 18009), (15066, 17342), (16146, 16182)]