257740320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:575

約数の個数: 192

約数和(自身を含む): 870912000

約数和(自身を除く): 613171680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 59, 60, 76, 80, 95, 96, 114, 118, 120, 152, 160, 177, 190, 228, 236, 240, 285, 295, 304, 354, 380, 456, 472, 479, 480, 570, 590, 608, 708, 760, 885, 912, 944, 958, 1121, 1140, 1180, 1416, 1437, 1520, 1770, 1824, 1888, 1916, 2242, 2280, 2360, 2395, 2832, 2874, 3040, 3363, 3540, 3832, 4484, 4560, 4720, 4790, 5605, 5664, 5748, 6726, 7080, 7185, 7664, 8968, 9101, 9120, 9440, 9580, 11210, 11496, 13452, 14160, 14370, 15328, 16815, 17936, 18202, 19160, 22420, 22992, 26904, 27303, 28261, 28320, 28740, 33630, 35872, 36404, 38320, 44840, 45505, 45984, 53808, 54606, 56522, 57480, 67260, 72808, 76640, 84783, 89680, 91010, 107616, 109212, 113044, 114960, 134520, 136515, 141305, 145616, 169566, 179360, 182020, 218424, 226088, 229920, 269040, 273030, 282610, 291232, 339132, 364040, 423915, 436848, 452176, 536959, 538080, 546060, 565220, 678264, 728080, 847830, 873696, 904352, 1073918, 1092120, 1130440, 1356528, 1456160, 1610877, 1695660, 2147836, 2184240, 2260880, 2684795, 2713056, 3221754, 3391320, 4295672, 4368480, 4521760, 5369590, 6443508, 6782640, 8054385, 8591344, 10739180, 12887016, 13565280, 16108770, 17182688, 21478360, 25774032, 32217540, 42956720, 51548064, 64435080, 85913440, 128870160, 257740320]

約数ペア:

[(1, 257740320), (2, 128870160), (3, 85913440), (4, 64435080), (5, 51548064), (6, 42956720), (8, 32217540), (10, 25774032), (12, 21478360), (15, 17182688), (16, 16108770), (19, 13565280), (20, 12887016), (24, 10739180), (30, 8591344), (32, 8054385), (38, 6782640), (40, 6443508), (48, 5369590), (57, 4521760), (59, 4368480), (60, 4295672), (76, 3391320), (80, 3221754), (95, 2713056), (96, 2684795), (114, 2260880), (118, 2184240), (120, 2147836), (152, 1695660), (160, 1610877), (177, 1456160), (190, 1356528), (228, 1130440), (236, 1092120), (240, 1073918), (285, 904352), (295, 873696), (304, 847830), (354, 728080), (380, 678264), (456, 565220), (472, 546060), (479, 538080), (480, 536959), (570, 452176), (590, 436848), (608, 423915), (708, 364040), (760, 339132), (885, 291232), (912, 282610), (944, 273030), (958, 269040), (1121, 229920), (1140, 226088), (1180, 218424), (1416, 182020), (1437, 179360), (1520, 169566), (1770, 145616), (1824, 141305), (1888, 136515), (1916, 134520), (2242, 114960), (2280, 113044), (2360, 109212), (2395, 107616), (2832, 91010), (2874, 89680), (3040, 84783), (3363, 76640), (3540, 72808), (3832, 67260), (4484, 57480), (4560, 56522), (4720, 54606), (4790, 53808), (5605, 45984), (5664, 45505), (5748, 44840), (6726, 38320), (7080, 36404), (7185, 35872), (7664, 33630), (8968, 28740), (9101, 28320), (9120, 28261), (9440, 27303), (9580, 26904), (11210, 22992), (11496, 22420), (13452, 19160), (14160, 18202), (14370, 17936), (15328, 16815)]