251517120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 224

約数和(自身を含む): 839955648

約数和(自身を除く): 588438528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 73, 74, 80, 96, 97, 111, 120, 146, 148, 160, 185, 192, 194, 219, 222, 240, 291, 292, 296, 320, 365, 370, 388, 438, 444, 480, 485, 555, 582, 584, 592, 730, 740, 776, 876, 888, 960, 970, 1095, 1110, 1164, 1168, 1184, 1455, 1460, 1480, 1552, 1752, 1776, 1940, 2190, 2220, 2328, 2336, 2368, 2701, 2910, 2920, 2960, 3104, 3504, 3552, 3589, 3880, 4380, 4440, 4656, 4672, 5402, 5820, 5840, 5920, 6208, 7008, 7081, 7104, 7178, 7760, 8103, 8760, 8880, 9312, 10767, 10804, 11640, 11680, 11840, 13505, 14016, 14162, 14356, 15520, 16206, 17520, 17760, 17945, 18624, 21243, 21534, 21608, 23280, 23360, 27010, 28324, 28712, 31040, 32412, 35040, 35405, 35520, 35890, 40515, 42486, 43068, 43216, 46560, 53835, 54020, 56648, 57424, 64824, 70080, 70810, 71780, 81030, 84972, 86136, 86432, 93120, 106215, 107670, 108040, 113296, 114848, 129648, 141620, 143560, 162060, 169944, 172272, 172864, 212430, 215340, 216080, 226592, 229696, 259296, 261997, 283240, 287120, 324120, 339888, 344544, 424860, 430680, 432160, 453184, 518592, 523994, 566480, 574240, 648240, 679776, 689088, 785991, 849720, 861360, 864320, 1047988, 1132960, 1148480, 1296480, 1309985, 1359552, 1571982, 1699440, 1722720, 2095976, 2265920, 2592960, 2619970, 3143964, 3398880, 3445440, 3929955, 4191952, 5239940, 6287928, 6797760, 7859910, 8383904, 10479880, 12575856, 15719820, 16767808, 20959760, 25151712, 31439640, 41919520, 50303424, 62879280, 83839040, 125758560, 251517120]

約数ペア:

[(1, 251517120), (2, 125758560), (3, 83839040), (4, 62879280), (5, 50303424), (6, 41919520), (8, 31439640), (10, 25151712), (12, 20959760), (15, 16767808), (16, 15719820), (20, 12575856), (24, 10479880), (30, 8383904), (32, 7859910), (37, 6797760), (40, 6287928), (48, 5239940), (60, 4191952), (64, 3929955), (73, 3445440), (74, 3398880), (80, 3143964), (96, 2619970), (97, 2592960), (111, 2265920), (120, 2095976), (146, 1722720), (148, 1699440), (160, 1571982), (185, 1359552), (192, 1309985), (194, 1296480), (219, 1148480), (222, 1132960), (240, 1047988), (291, 864320), (292, 861360), (296, 849720), (320, 785991), (365, 689088), (370, 679776), (388, 648240), (438, 574240), (444, 566480), (480, 523994), (485, 518592), (555, 453184), (582, 432160), (584, 430680), (592, 424860), (730, 344544), (740, 339888), (776, 324120), (876, 287120), (888, 283240), (960, 261997), (970, 259296), (1095, 229696), (1110, 226592), (1164, 216080), (1168, 215340), (1184, 212430), (1455, 172864), (1460, 172272), (1480, 169944), (1552, 162060), (1752, 143560), (1776, 141620), (1940, 129648), (2190, 114848), (2220, 113296), (2328, 108040), (2336, 107670), (2368, 106215), (2701, 93120), (2910, 86432), (2920, 86136), (2960, 84972), (3104, 81030), (3504, 71780), (3552, 70810), (3589, 70080), (3880, 64824), (4380, 57424), (4440, 56648), (4656, 54020), (4672, 53835), (5402, 46560), (5820, 43216), (5840, 43068), (5920, 42486), (6208, 40515), (7008, 35890), (7081, 35520), (7104, 35405), (7178, 35040), (7760, 32412), (8103, 31040), (8760, 28712), (8880, 28324), (9312, 27010), (10767, 23360), (10804, 23280), (11640, 21608), (11680, 21534), (11840, 21243), (13505, 18624), (14016, 17945), (14162, 17760), (14356, 17520), (15520, 16206)]