21438911520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127249}}^1$

素因数の和:127289

約数の個数: 240

約数和(自身を含む): 81482247000

約数和(自身を除く): 60043335480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 3120, 3240, 3510, 3744, 4212, 4320, 4680, 5265, 5616, 6240, 6480, 7020, 8424, 9360, 10530, 11232, 12960, 14040, 16848, 18720, 21060, 28080, 33696, 42120, 56160, 84240, 127249, 168480, 254498, 381747, 508996, 636245, 763494, 1017992, 1145241, 1272490, 1526988, 1654237, 1908735, 2035984, 2290482, 2544980, 3053976, 3308474, 3435723, 3817470, 4071968, 4580964, 4962711, 5089960, 5726205, 6107952, 6616948, 6871446, 7634940, 8271185, 9161928, 9925422, 10179920, 10307169, 11452410, 12215904, 13233896, 13742892, 14888133, 15269880, 16542370, 17178615, 18323856, 19850844, 20359840, 20614338, 22904820, 24813555, 26467792, 27485784, 29776266, 30539760, 33084740, 34357230, 36647712, 39701688, 41228676, 44664399, 45809640, 49627110, 51535845, 52935584, 54971568, 59552532, 61079520, 66169480, 68714460, 74440665, 79403376, 82457352, 89328798, 91619280, 99254220, 103071690, 109943136, 119105064, 132338960, 133993197, 137428920, 148881330, 158806752, 164914704, 178657596, 183238560, 198508440, 206143380, 223321995, 238210128, 264677920, 267986394, 274857840, 297762660, 329829408, 357315192, 397016880, 412286760, 446643990, 476420256, 535972788, 549715680, 595525320, 669965985, 714630384, 794033760, 824573520, 893287980, 1071945576, 1191050640, 1339931970, 1429260768, 1649147040, 1786575960, 2143891152, 2382101280, 2679863940, 3573151920, 4287782304, 5359727880, 7146303840, 10719455760, 21438911520]

約数ペア:

[(1, 21438911520), (2, 10719455760), (3, 7146303840), (4, 5359727880), (5, 4287782304), (6, 3573151920), (8, 2679863940), (9, 2382101280), (10, 2143891152), (12, 1786575960), (13, 1649147040), (15, 1429260768), (16, 1339931970), (18, 1191050640), (20, 1071945576), (24, 893287980), (26, 824573520), (27, 794033760), (30, 714630384), (32, 669965985), (36, 595525320), (39, 549715680), (40, 535972788), (45, 476420256), (48, 446643990), (52, 412286760), (54, 397016880), (60, 357315192), (65, 329829408), (72, 297762660), (78, 274857840), (80, 267986394), (81, 264677920), (90, 238210128), (96, 223321995), (104, 206143380), (108, 198508440), (117, 183238560), (120, 178657596), (130, 164914704), (135, 158806752), (144, 148881330), (156, 137428920), (160, 133993197), (162, 132338960), (180, 119105064), (195, 109943136), (208, 103071690), (216, 99254220), (234, 91619280), (240, 89328798), (260, 82457352), (270, 79403376), (288, 74440665), (312, 68714460), (324, 66169480), (351, 61079520), (360, 59552532), (390, 54971568), (405, 52935584), (416, 51535845), (432, 49627110), (468, 45809640), (480, 44664399), (520, 41228676), (540, 39701688), (585, 36647712), (624, 34357230), (648, 33084740), (702, 30539760), (720, 29776266), (780, 27485784), (810, 26467792), (864, 24813555), (936, 22904820), (1040, 20614338), (1053, 20359840), (1080, 19850844), (1170, 18323856), (1248, 17178615), (1296, 16542370), (1404, 15269880), (1440, 14888133), (1560, 13742892), (1620, 13233896), (1755, 12215904), (1872, 11452410), (2080, 10307169), (2106, 10179920), (2160, 9925422), (2340, 9161928), (2592, 8271185), (2808, 7634940), (3120, 6871446), (3240, 6616948), (3510, 6107952), (3744, 5726205), (4212, 5089960), (4320, 4962711), (4680, 4580964), (5265, 4071968), (5616, 3817470), (6240, 3435723), (6480, 3308474), (7020, 3053976), (8424, 2544980), (9360, 2290482), (10530, 2035984), (11232, 1908735), (12960, 1654237), (14040, 1526988), (16848, 1272490), (18720, 1145241), (21060, 1017992), (28080, 763494), (33696, 636245), (42120, 508996), (56160, 381747), (84240, 254498), (127249, 168480)]