398766720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 256

約数和(自身を含む): 1410048000

約数和(自身を除く): 1011281280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 79, 80, 88, 96, 110, 120, 128, 132, 158, 160, 165, 176, 192, 220, 237, 239, 240, 264, 316, 320, 330, 352, 384, 395, 440, 474, 478, 480, 528, 632, 640, 660, 704, 717, 790, 869, 880, 948, 956, 960, 1056, 1185, 1195, 1264, 1320, 1408, 1434, 1580, 1738, 1760, 1896, 1912, 1920, 2112, 2370, 2390, 2528, 2607, 2629, 2640, 2868, 3160, 3476, 3520, 3585, 3792, 3824, 4224, 4345, 4740, 4780, 5056, 5214, 5258, 5280, 5736, 6320, 6952, 7040, 7170, 7584, 7648, 7887, 8690, 9480, 9560, 10112, 10428, 10516, 10560, 11472, 12640, 13035, 13145, 13904, 14340, 15168, 15296, 15774, 17380, 18881, 18960, 19120, 20856, 21032, 21120, 22944, 25280, 26070, 26290, 27808, 28680, 30336, 30592, 31548, 34760, 37762, 37920, 38240, 39435, 41712, 42064, 45888, 50560, 52140, 52580, 55616, 56643, 57360, 63096, 69520, 75524, 75840, 76480, 78870, 83424, 84128, 91776, 94405, 104280, 105160, 111232, 113286, 114720, 126192, 139040, 151048, 151680, 152960, 157740, 166848, 168256, 188810, 207691, 208560, 210320, 226572, 229440, 252384, 278080, 283215, 302096, 315480, 333696, 336512, 377620, 415382, 417120, 420640, 453144, 458880, 504768, 556160, 566430, 604192, 623073, 630960, 755240, 830764, 834240, 841280, 906288, 1009536, 1038455, 1132860, 1208384, 1246146, 1261920, 1510480, 1661528, 1668480, 1682560, 1812576, 2076910, 2265720, 2416768, 2492292, 2523840, 3020960, 3115365, 3323056, 3625152, 4153820, 4531440, 4984584, 5047680, 6041920, 6230730, 6646112, 7250304, 8307640, 9062880, 9969168, 12083840, 12461460, 13292224, 16615280, 18125760, 19938336, 24922920, 26584448, 33230560, 36251520, 39876672, 49845840, 66461120, 79753344, 99691680, 132922240, 199383360, 398766720]

約数ペア:

[(1, 398766720), (2, 199383360), (3, 132922240), (4, 99691680), (5, 79753344), (6, 66461120), (8, 49845840), (10, 39876672), (11, 36251520), (12, 33230560), (15, 26584448), (16, 24922920), (20, 19938336), (22, 18125760), (24, 16615280), (30, 13292224), (32, 12461460), (33, 12083840), (40, 9969168), (44, 9062880), (48, 8307640), (55, 7250304), (60, 6646112), (64, 6230730), (66, 6041920), (79, 5047680), (80, 4984584), (88, 4531440), (96, 4153820), (110, 3625152), (120, 3323056), (128, 3115365), (132, 3020960), (158, 2523840), (160, 2492292), (165, 2416768), (176, 2265720), (192, 2076910), (220, 1812576), (237, 1682560), (239, 1668480), (240, 1661528), (264, 1510480), (316, 1261920), (320, 1246146), (330, 1208384), (352, 1132860), (384, 1038455), (395, 1009536), (440, 906288), (474, 841280), (478, 834240), (480, 830764), (528, 755240), (632, 630960), (640, 623073), (660, 604192), (704, 566430), (717, 556160), (790, 504768), (869, 458880), (880, 453144), (948, 420640), (956, 417120), (960, 415382), (1056, 377620), (1185, 336512), (1195, 333696), (1264, 315480), (1320, 302096), (1408, 283215), (1434, 278080), (1580, 252384), (1738, 229440), (1760, 226572), (1896, 210320), (1912, 208560), (1920, 207691), (2112, 188810), (2370, 168256), (2390, 166848), (2528, 157740), (2607, 152960), (2629, 151680), (2640, 151048), (2868, 139040), (3160, 126192), (3476, 114720), (3520, 113286), (3585, 111232), (3792, 105160), (3824, 104280), (4224, 94405), (4345, 91776), (4740, 84128), (4780, 83424), (5056, 78870), (5214, 76480), (5258, 75840), (5280, 75524), (5736, 69520), (6320, 63096), (6952, 57360), (7040, 56643), (7170, 55616), (7584, 52580), (7648, 52140), (7887, 50560), (8690, 45888), (9480, 42064), (9560, 41712), (10112, 39435), (10428, 38240), (10516, 37920), (10560, 37762), (11472, 34760), (12640, 31548), (13035, 30592), (13145, 30336), (13904, 28680), (14340, 27808), (15168, 26290), (15296, 26070), (15774, 25280), (17380, 22944), (18881, 21120), (18960, 21032), (19120, 20856)]