788808640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:786

約数の個数: 112

約数和(自身を含む): 1956962304

約数和(自身を除く): 1168153664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 131, 155, 160, 248, 262, 310, 320, 496, 524, 607, 620, 655, 992, 1048, 1214, 1240, 1310, 1984, 2096, 2428, 2480, 2620, 3035, 4061, 4192, 4856, 4960, 5240, 6070, 8122, 8384, 9712, 9920, 10480, 12140, 16244, 18817, 19424, 20305, 20960, 24280, 32488, 37634, 38848, 40610, 41920, 48560, 64976, 75268, 79517, 81220, 94085, 97120, 129952, 150536, 159034, 162440, 188170, 194240, 259904, 301072, 318068, 324880, 376340, 397585, 602144, 636136, 649760, 752680, 795170, 1204288, 1272272, 1299520, 1505360, 1590340, 2465027, 2544544, 3010720, 3180680, 4930054, 5089088, 6021440, 6361360, 9860108, 12325135, 12722720, 19720216, 24650270, 25445440, 39440432, 49300540, 78880864, 98601080, 157761728, 197202160, 394404320, 788808640]

約数ペア:

[(1, 788808640), (2, 394404320), (4, 197202160), (5, 157761728), (8, 98601080), (10, 78880864), (16, 49300540), (20, 39440432), (31, 25445440), (32, 24650270), (40, 19720216), (62, 12722720), (64, 12325135), (80, 9860108), (124, 6361360), (131, 6021440), (155, 5089088), (160, 4930054), (248, 3180680), (262, 3010720), (310, 2544544), (320, 2465027), (496, 1590340), (524, 1505360), (607, 1299520), (620, 1272272), (655, 1204288), (992, 795170), (1048, 752680), (1214, 649760), (1240, 636136), (1310, 602144), (1984, 397585), (2096, 376340), (2428, 324880), (2480, 318068), (2620, 301072), (3035, 259904), (4061, 194240), (4192, 188170), (4856, 162440), (4960, 159034), (5240, 150536), (6070, 129952), (8122, 97120), (8384, 94085), (9712, 81220), (9920, 79517), (10480, 75268), (12140, 64976), (16244, 48560), (18817, 41920), (19424, 40610), (20305, 38848), (20960, 37634), (24280, 32488)]