81256944

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 215771904

約数和(自身を除く): 134514960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 113, 142, 211, 213, 226, 284, 339, 422, 426, 452, 568, 633, 678, 844, 852, 904, 1136, 1266, 1356, 1688, 1704, 1808, 2532, 2712, 3376, 3408, 5064, 5424, 8023, 10128, 14981, 16046, 23843, 24069, 29962, 32092, 44943, 47686, 48138, 59924, 64184, 71529, 89886, 95372, 96276, 119848, 128368, 143058, 179772, 190744, 192552, 239696, 286116, 359544, 381488, 385104, 572232, 719088, 1144464, 1692853, 3385706, 5078559, 6771412, 10157118, 13542824, 20314236, 27085648, 40628472, 81256944]

約数ペア:

[(1, 81256944), (2, 40628472), (3, 27085648), (4, 20314236), (6, 13542824), (8, 10157118), (12, 6771412), (16, 5078559), (24, 3385706), (48, 1692853), (71, 1144464), (113, 719088), (142, 572232), (211, 385104), (213, 381488), (226, 359544), (284, 286116), (339, 239696), (422, 192552), (426, 190744), (452, 179772), (568, 143058), (633, 128368), (678, 119848), (844, 96276), (852, 95372), (904, 89886), (1136, 71529), (1266, 64184), (1356, 59924), (1688, 48138), (1704, 47686), (1808, 44943), (2532, 32092), (2712, 29962), (3376, 24069), (3408, 23843), (5064, 16046), (5424, 14981), (8023, 10128)]