621406240

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 288

約数和(自身を含む): 1881532800

約数和(自身を除く): 1260126560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 67, 70, 80, 91, 98, 104, 112, 130, 134, 140, 160, 169, 182, 196, 208, 224, 245, 260, 268, 280, 335, 338, 343, 364, 392, 416, 455, 469, 490, 520, 536, 560, 637, 670, 676, 686, 728, 784, 845, 871, 910, 938, 980, 1040, 1072, 1120, 1183, 1274, 1340, 1352, 1372, 1456, 1568, 1690, 1715, 1742, 1820, 1876, 1960, 2080, 2144, 2345, 2366, 2548, 2680, 2704, 2744, 2912, 3185, 3283, 3380, 3430, 3484, 3640, 3752, 3920, 4355, 4459, 4690, 4732, 5096, 5360, 5408, 5488, 5915, 6097, 6370, 6566, 6760, 6860, 6968, 7280, 7504, 7840, 8281, 8710, 8918, 9380, 9464, 10192, 10720, 10976, 11323, 11830, 12194, 12740, 13132, 13520, 13720, 13936, 14560, 15008, 16415, 16562, 17420, 17836, 18760, 18928, 20384, 22295, 22646, 22981, 23660, 24388, 25480, 26264, 27040, 27440, 27872, 30485, 32830, 33124, 34840, 35672, 37520, 37856, 41405, 42679, 44590, 45292, 45962, 47320, 48776, 50960, 52528, 54880, 56615, 57967, 60970, 65660, 66248, 69680, 71344, 75040, 79261, 82810, 85358, 89180, 90584, 91924, 94640, 97552, 101920, 105056, 113230, 114905, 115934, 121940, 131320, 132496, 139360, 142688, 158522, 165620, 170716, 178360, 181168, 183848, 189280, 195104, 213395, 226460, 229810, 231868, 243880, 262640, 264992, 289835, 298753, 317044, 331240, 341432, 356720, 362336, 367696, 396305, 426790, 452920, 459620, 463736, 487760, 525280, 554827, 579670, 597506, 634088, 662480, 682864, 713440, 735392, 792610, 853580, 905840, 919240, 927472, 975520, 1109654, 1159340, 1195012, 1268176, 1324960, 1365728, 1493765, 1585220, 1707160, 1811680, 1838480, 1854944, 2219308, 2318680, 2390024, 2536352, 2774135, 2987530, 3170440, 3414320, 3676960, 3883789, 4438616, 4637360, 4780048, 5548270, 5975060, 6340880, 6828640, 7767578, 8877232, 9274720, 9560096, 11096540, 11950120, 12681760, 15535156, 17754464, 19418945, 22193080, 23900240, 31070312, 38837890, 44386160, 47800480, 62140624, 77675780, 88772320, 124281248, 155351560, 310703120, 621406240]

約数ペア:

[(1, 621406240), (2, 310703120), (4, 155351560), (5, 124281248), (7, 88772320), (8, 77675780), (10, 62140624), (13, 47800480), (14, 44386160), (16, 38837890), (20, 31070312), (26, 23900240), (28, 22193080), (32, 19418945), (35, 17754464), (40, 15535156), (49, 12681760), (52, 11950120), (56, 11096540), (65, 9560096), (67, 9274720), (70, 8877232), (80, 7767578), (91, 6828640), (98, 6340880), (104, 5975060), (112, 5548270), (130, 4780048), (134, 4637360), (140, 4438616), (160, 3883789), (169, 3676960), (182, 3414320), (196, 3170440), (208, 2987530), (224, 2774135), (245, 2536352), (260, 2390024), (268, 2318680), (280, 2219308), (335, 1854944), (338, 1838480), (343, 1811680), (364, 1707160), (392, 1585220), (416, 1493765), (455, 1365728), (469, 1324960), (490, 1268176), (520, 1195012), (536, 1159340), (560, 1109654), (637, 975520), (670, 927472), (676, 919240), (686, 905840), (728, 853580), (784, 792610), (845, 735392), (871, 713440), (910, 682864), (938, 662480), (980, 634088), (1040, 597506), (1072, 579670), (1120, 554827), (1183, 525280), (1274, 487760), (1340, 463736), (1352, 459620), (1372, 452920), (1456, 426790), (1568, 396305), (1690, 367696), (1715, 362336), (1742, 356720), (1820, 341432), (1876, 331240), (1960, 317044), (2080, 298753), (2144, 289835), (2345, 264992), (2366, 262640), (2548, 243880), (2680, 231868), (2704, 229810), (2744, 226460), (2912, 213395), (3185, 195104), (3283, 189280), (3380, 183848), (3430, 181168), (3484, 178360), (3640, 170716), (3752, 165620), (3920, 158522), (4355, 142688), (4459, 139360), (4690, 132496), (4732, 131320), (5096, 121940), (5360, 115934), (5408, 114905), (5488, 113230), (5915, 105056), (6097, 101920), (6370, 97552), (6566, 94640), (6760, 91924), (6860, 90584), (6968, 89180), (7280, 85358), (7504, 82810), (7840, 79261), (8281, 75040), (8710, 71344), (8918, 69680), (9380, 66248), (9464, 65660), (10192, 60970), (10720, 57967), (10976, 56615), (11323, 54880), (11830, 52528), (12194, 50960), (12740, 48776), (13132, 47320), (13520, 45962), (13720, 45292), (13936, 44590), (14560, 42679), (15008, 41405), (16415, 37856), (16562, 37520), (17420, 35672), (17836, 34840), (18760, 33124), (18928, 32830), (20384, 30485), (22295, 27872), (22646, 27440), (22981, 27040), (23660, 26264), (24388, 25480)]