261975792

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 160

約数和(自身を含む): 779950080

約数和(自身を除く): 517974288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 31, 39, 48, 52, 58, 62, 78, 87, 93, 104, 116, 124, 156, 174, 186, 208, 232, 248, 312, 348, 372, 377, 403, 464, 467, 496, 624, 696, 744, 754, 806, 899, 934, 1131, 1209, 1392, 1401, 1488, 1508, 1612, 1798, 1868, 2262, 2418, 2697, 2802, 3016, 3224, 3596, 3736, 4524, 4836, 5394, 5604, 6032, 6071, 6448, 7192, 7472, 9048, 9672, 10788, 11208, 11687, 12142, 13543, 14384, 14477, 18096, 18213, 19344, 21576, 22416, 23374, 24284, 27086, 28954, 35061, 36426, 40629, 43152, 43431, 46748, 48568, 54172, 57908, 70122, 72852, 81258, 86862, 93496, 97136, 108344, 115816, 140244, 145704, 162516, 173724, 176059, 186992, 188201, 216688, 231632, 280488, 291408, 325032, 347448, 352118, 376402, 419833, 528177, 560976, 564603, 650064, 694896, 704236, 752804, 839666, 1056354, 1129206, 1259499, 1408472, 1505608, 1679332, 2112708, 2258412, 2518998, 2816944, 3011216, 3358664, 4225416, 4516824, 5037996, 5457829, 6717328, 8450832, 9033648, 10075992, 10915658, 16373487, 20151984, 21831316, 32746974, 43662632, 65493948, 87325264, 130987896, 261975792]

約数ペア:

[(1, 261975792), (2, 130987896), (3, 87325264), (4, 65493948), (6, 43662632), (8, 32746974), (12, 21831316), (13, 20151984), (16, 16373487), (24, 10915658), (26, 10075992), (29, 9033648), (31, 8450832), (39, 6717328), (48, 5457829), (52, 5037996), (58, 4516824), (62, 4225416), (78, 3358664), (87, 3011216), (93, 2816944), (104, 2518998), (116, 2258412), (124, 2112708), (156, 1679332), (174, 1505608), (186, 1408472), (208, 1259499), (232, 1129206), (248, 1056354), (312, 839666), (348, 752804), (372, 704236), (377, 694896), (403, 650064), (464, 564603), (467, 560976), (496, 528177), (624, 419833), (696, 376402), (744, 352118), (754, 347448), (806, 325032), (899, 291408), (934, 280488), (1131, 231632), (1209, 216688), (1392, 188201), (1401, 186992), (1488, 176059), (1508, 173724), (1612, 162516), (1798, 145704), (1868, 140244), (2262, 115816), (2418, 108344), (2697, 97136), (2802, 93496), (3016, 86862), (3224, 81258), (3596, 72852), (3736, 70122), (4524, 57908), (4836, 54172), (5394, 48568), (5604, 46748), (6032, 43431), (6071, 43152), (6448, 40629), (7192, 36426), (7472, 35061), (9048, 28954), (9672, 27086), (10788, 24284), (11208, 23374), (11687, 22416), (12142, 21576), (13543, 19344), (14384, 18213), (14477, 18096)]