251999280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 360

約数和(自身を含む): 973486800

約数和(自身を除く): 721487520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 109, 114, 117, 120, 130, 144, 152, 156, 169, 171, 180, 190, 195, 208, 218, 228, 234, 240, 247, 260, 285, 304, 312, 327, 338, 342, 360, 380, 390, 436, 456, 468, 494, 507, 520, 545, 570, 585, 624, 654, 676, 684, 720, 741, 760, 780, 845, 855, 872, 912, 936, 981, 988, 1014, 1040, 1090, 1140, 1170, 1235, 1308, 1352, 1368, 1417, 1482, 1520, 1521, 1560, 1635, 1690, 1710, 1744, 1872, 1962, 1976, 2028, 2071, 2180, 2223, 2280, 2340, 2470, 2535, 2616, 2704, 2736, 2834, 2964, 3042, 3120, 3211, 3270, 3380, 3420, 3705, 3924, 3952, 4056, 4142, 4251, 4360, 4446, 4560, 4680, 4905, 4940, 5070, 5232, 5668, 5928, 6084, 6213, 6422, 6540, 6760, 6840, 7085, 7410, 7605, 7848, 8112, 8284, 8502, 8720, 8892, 9360, 9633, 9810, 9880, 10140, 10355, 11115, 11336, 11856, 12168, 12426, 12753, 12844, 13080, 13520, 13680, 14170, 14820, 15210, 15696, 16055, 16568, 17004, 17784, 18421, 18639, 19266, 19620, 19760, 20280, 20710, 21255, 22230, 22672, 24336, 24852, 25506, 25688, 26160, 26923, 28340, 28899, 29640, 30420, 31065, 32110, 33136, 34008, 35568, 36842, 37278, 38532, 39240, 40560, 41420, 42510, 44460, 48165, 49704, 51012, 51376, 53846, 55263, 56680, 57798, 59280, 60840, 62130, 63765, 64220, 68016, 73684, 74556, 77064, 78480, 80769, 82840, 85020, 88920, 92105, 93195, 96330, 99408, 102024, 107692, 110526, 113360, 115596, 121680, 124260, 127530, 128440, 134615, 144495, 147368, 149112, 154128, 161538, 165680, 165789, 170040, 177840, 184210, 186390, 192660, 204048, 215384, 221052, 231192, 242307, 248520, 255060, 256880, 269230, 276315, 288990, 294736, 298224, 323076, 331578, 340080, 349999, 368420, 372780, 385320, 403845, 430768, 442104, 462384, 484614, 497040, 510120, 538460, 552630, 577980, 646152, 663156, 699998, 736840, 745560, 770640, 807690, 828945, 884208, 969228, 1020240, 1049997, 1076920, 1105260, 1155960, 1211535, 1292304, 1326312, 1399996, 1473680, 1491120, 1615380, 1657890, 1749995, 1938456, 2099994, 2153840, 2210520, 2311920, 2423070, 2652624, 2799992, 3149991, 3230760, 3315780, 3499990, 3876912, 4199988, 4421040, 4846140, 5249985, 5599984, 6299982, 6461520, 6631560, 6999980, 8399976, 9692280, 10499970, 12599964, 13263120, 13999960, 15749955, 16799952, 19384560, 20999940, 25199928, 27999920, 31499910, 41999880, 50399856, 62999820, 83999760, 125999640, 251999280]

約数ペア:

[(1, 251999280), (2, 125999640), (3, 83999760), (4, 62999820), (5, 50399856), (6, 41999880), (8, 31499910), (9, 27999920), (10, 25199928), (12, 20999940), (13, 19384560), (15, 16799952), (16, 15749955), (18, 13999960), (19, 13263120), (20, 12599964), (24, 10499970), (26, 9692280), (30, 8399976), (36, 6999980), (38, 6631560), (39, 6461520), (40, 6299982), (45, 5599984), (48, 5249985), (52, 4846140), (57, 4421040), (60, 4199988), (65, 3876912), (72, 3499990), (76, 3315780), (78, 3230760), (80, 3149991), (90, 2799992), (95, 2652624), (104, 2423070), (109, 2311920), (114, 2210520), (117, 2153840), (120, 2099994), (130, 1938456), (144, 1749995), (152, 1657890), (156, 1615380), (169, 1491120), (171, 1473680), (180, 1399996), (190, 1326312), (195, 1292304), (208, 1211535), (218, 1155960), (228, 1105260), (234, 1076920), (240, 1049997), (247, 1020240), (260, 969228), (285, 884208), (304, 828945), (312, 807690), (327, 770640), (338, 745560), (342, 736840), (360, 699998), (380, 663156), (390, 646152), (436, 577980), (456, 552630), (468, 538460), (494, 510120), (507, 497040), (520, 484614), (545, 462384), (570, 442104), (585, 430768), (624, 403845), (654, 385320), (676, 372780), (684, 368420), (720, 349999), (741, 340080), (760, 331578), (780, 323076), (845, 298224), (855, 294736), (872, 288990), (912, 276315), (936, 269230), (981, 256880), (988, 255060), (1014, 248520), (1040, 242307), (1090, 231192), (1140, 221052), (1170, 215384), (1235, 204048), (1308, 192660), (1352, 186390), (1368, 184210), (1417, 177840), (1482, 170040), (1520, 165789), (1521, 165680), (1560, 161538), (1635, 154128), (1690, 149112), (1710, 147368), (1744, 144495), (1872, 134615), (1962, 128440), (1976, 127530), (2028, 124260), (2071, 121680), (2180, 115596), (2223, 113360), (2280, 110526), (2340, 107692), (2470, 102024), (2535, 99408), (2616, 96330), (2704, 93195), (2736, 92105), (2834, 88920), (2964, 85020), (3042, 82840), (3120, 80769), (3211, 78480), (3270, 77064), (3380, 74556), (3420, 73684), (3705, 68016), (3924, 64220), (3952, 63765), (4056, 62130), (4142, 60840), (4251, 59280), (4360, 57798), (4446, 56680), (4560, 55263), (4680, 53846), (4905, 51376), (4940, 51012), (5070, 49704), (5232, 48165), (5668, 44460), (5928, 42510), (6084, 41420), (6213, 40560), (6422, 39240), (6540, 38532), (6760, 37278), (6840, 36842), (7085, 35568), (7410, 34008), (7605, 33136), (7848, 32110), (8112, 31065), (8284, 30420), (8502, 29640), (8720, 28899), (8892, 28340), (9360, 26923), (9633, 26160), (9810, 25688), (9880, 25506), (10140, 24852), (10355, 24336), (11115, 22672), (11336, 22230), (11856, 21255), (12168, 20710), (12426, 20280), (12753, 19760), (12844, 19620), (13080, 19266), (13520, 18639), (13680, 18421), (14170, 17784), (14820, 17004), (15210, 16568), (15696, 16055)]