320885760

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1648

約数の個数: 176

約数和(自身を含む): 1105969536

約数和(自身を除く): 785083776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1024, 1040, 1248, 1280, 1536, 1560, 1607, 1664, 1920, 2080, 2496, 2560, 3072, 3120, 3214, 3328, 3840, 4160, 4821, 4992, 5120, 6240, 6428, 6656, 7680, 8035, 8320, 9642, 9984, 12480, 12856, 13312, 15360, 16070, 16640, 19284, 19968, 20891, 24105, 24960, 25712, 32140, 33280, 38568, 39936, 41782, 48210, 49920, 51424, 62673, 64280, 66560, 77136, 83564, 96420, 99840, 102848, 104455, 125346, 128560, 154272, 167128, 192840, 199680, 205696, 208910, 250692, 257120, 308544, 313365, 334256, 385680, 411392, 417820, 501384, 514240, 617088, 626730, 668512, 771360, 822784, 835640, 1002768, 1028480, 1234176, 1253460, 1337024, 1542720, 1645568, 1671280, 2005536, 2056960, 2468352, 2506920, 2674048, 3085440, 3342560, 4011072, 4113920, 4936704, 5013840, 5348096, 6170880, 6685120, 8022144, 8227840, 10027680, 10696192, 12341760, 13370240, 16044288, 20055360, 21392384, 24683520, 26740480, 32088576, 40110720, 53480960, 64177152, 80221440, 106961920, 160442880, 320885760]

約数ペア:

[(1, 320885760), (2, 160442880), (3, 106961920), (4, 80221440), (5, 64177152), (6, 53480960), (8, 40110720), (10, 32088576), (12, 26740480), (13, 24683520), (15, 21392384), (16, 20055360), (20, 16044288), (24, 13370240), (26, 12341760), (30, 10696192), (32, 10027680), (39, 8227840), (40, 8022144), (48, 6685120), (52, 6170880), (60, 5348096), (64, 5013840), (65, 4936704), (78, 4113920), (80, 4011072), (96, 3342560), (104, 3085440), (120, 2674048), (128, 2506920), (130, 2468352), (156, 2056960), (160, 2005536), (192, 1671280), (195, 1645568), (208, 1542720), (240, 1337024), (256, 1253460), (260, 1234176), (312, 1028480), (320, 1002768), (384, 835640), (390, 822784), (416, 771360), (480, 668512), (512, 626730), (520, 617088), (624, 514240), (640, 501384), (768, 417820), (780, 411392), (832, 385680), (960, 334256), (1024, 313365), (1040, 308544), (1248, 257120), (1280, 250692), (1536, 208910), (1560, 205696), (1607, 199680), (1664, 192840), (1920, 167128), (2080, 154272), (2496, 128560), (2560, 125346), (3072, 104455), (3120, 102848), (3214, 99840), (3328, 96420), (3840, 83564), (4160, 77136), (4821, 66560), (4992, 64280), (5120, 62673), (6240, 51424), (6428, 49920), (6656, 48210), (7680, 41782), (8035, 39936), (8320, 38568), (9642, 33280), (9984, 32140), (12480, 25712), (12856, 24960), (13312, 24105), (15360, 20891), (16070, 19968), (16640, 19284)]