28678680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 100245600

約数和(自身を除く): 71566920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 41, 45, 58, 60, 67, 72, 82, 87, 90, 116, 120, 123, 134, 145, 164, 174, 180, 201, 205, 232, 246, 261, 268, 290, 328, 335, 348, 360, 369, 402, 410, 435, 492, 522, 536, 580, 603, 615, 670, 696, 738, 804, 820, 870, 984, 1005, 1044, 1160, 1189, 1206, 1230, 1305, 1340, 1476, 1608, 1640, 1740, 1845, 1943, 2010, 2088, 2378, 2412, 2460, 2610, 2680, 2747, 2952, 3015, 3480, 3567, 3690, 3886, 4020, 4756, 4824, 4920, 5220, 5494, 5829, 5945, 6030, 7134, 7380, 7772, 8040, 8241, 9512, 9715, 10440, 10701, 10988, 11658, 11890, 12060, 13735, 14268, 14760, 15544, 16482, 17487, 17835, 19430, 21402, 21976, 23316, 23780, 24120, 24723, 27470, 28536, 29145, 32964, 34974, 35670, 38860, 41205, 42804, 46632, 47560, 49446, 53505, 54940, 58290, 65928, 69948, 71340, 77720, 79663, 82410, 85608, 87435, 98892, 107010, 109880, 116580, 123615, 139896, 142680, 159326, 164820, 174870, 197784, 214020, 233160, 238989, 247230, 318652, 329640, 349740, 398315, 428040, 477978, 494460, 637304, 699480, 716967, 796630, 955956, 988920, 1194945, 1433934, 1593260, 1911912, 2389890, 2867868, 3186520, 3584835, 4779780, 5735736, 7169670, 9559560, 14339340, 28678680]

約数ペア:

[(1, 28678680), (2, 14339340), (3, 9559560), (4, 7169670), (5, 5735736), (6, 4779780), (8, 3584835), (9, 3186520), (10, 2867868), (12, 2389890), (15, 1911912), (18, 1593260), (20, 1433934), (24, 1194945), (29, 988920), (30, 955956), (36, 796630), (40, 716967), (41, 699480), (45, 637304), (58, 494460), (60, 477978), (67, 428040), (72, 398315), (82, 349740), (87, 329640), (90, 318652), (116, 247230), (120, 238989), (123, 233160), (134, 214020), (145, 197784), (164, 174870), (174, 164820), (180, 159326), (201, 142680), (205, 139896), (232, 123615), (246, 116580), (261, 109880), (268, 107010), (290, 98892), (328, 87435), (335, 85608), (348, 82410), (360, 79663), (369, 77720), (402, 71340), (410, 69948), (435, 65928), (492, 58290), (522, 54940), (536, 53505), (580, 49446), (603, 47560), (615, 46632), (670, 42804), (696, 41205), (738, 38860), (804, 35670), (820, 34974), (870, 32964), (984, 29145), (1005, 28536), (1044, 27470), (1160, 24723), (1189, 24120), (1206, 23780), (1230, 23316), (1305, 21976), (1340, 21402), (1476, 19430), (1608, 17835), (1640, 17487), (1740, 16482), (1845, 15544), (1943, 14760), (2010, 14268), (2088, 13735), (2378, 12060), (2412, 11890), (2460, 11658), (2610, 10988), (2680, 10701), (2747, 10440), (2952, 9715), (3015, 9512), (3480, 8241), (3567, 8040), (3690, 7772), (3886, 7380), (4020, 7134), (4756, 6030), (4824, 5945), (4920, 5829), (5220, 5494)]