1621708800

素因数分解:

$2^{12}\times 3^1\times 5^2\times {\mathrm{5279}}^1$

素因数の和:5316

約数の個数: 156

約数和(自身を含む): 5362811520

約数和(自身を除く): 3741102720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1536, 1600, 1920, 2048, 2400, 2560, 3072, 3200, 3840, 4096, 4800, 5120, 5279, 6144, 6400, 7680, 9600, 10240, 10558, 12288, 12800, 15360, 15837, 19200, 20480, 21116, 25600, 26395, 30720, 31674, 38400, 42232, 51200, 52790, 61440, 63348, 76800, 79185, 84464, 102400, 105580, 126696, 131975, 153600, 158370, 168928, 211160, 253392, 263950, 307200, 316740, 337856, 395925, 422320, 506784, 527900, 633480, 675712, 791850, 844640, 1013568, 1055800, 1266960, 1351424, 1583700, 1689280, 2027136, 2111600, 2533920, 2702848, 3167400, 3378560, 4054272, 4223200, 5067840, 5405696, 6334800, 6757120, 8108544, 8446400, 10135680, 10811392, 12669600, 13514240, 16217088, 16892800, 20271360, 21622784, 25339200, 27028480, 32434176, 33785600, 40542720, 50678400, 54056960, 64868352, 67571200, 81085440, 101356800, 108113920, 135142400, 162170880, 202713600, 270284800, 324341760, 405427200, 540569600, 810854400, 1621708800]

約数ペア:

[(1, 1621708800), (2, 810854400), (3, 540569600), (4, 405427200), (5, 324341760), (6, 270284800), (8, 202713600), (10, 162170880), (12, 135142400), (15, 108113920), (16, 101356800), (20, 81085440), (24, 67571200), (25, 64868352), (30, 54056960), (32, 50678400), (40, 40542720), (48, 33785600), (50, 32434176), (60, 27028480), (64, 25339200), (75, 21622784), (80, 20271360), (96, 16892800), (100, 16217088), (120, 13514240), (128, 12669600), (150, 10811392), (160, 10135680), (192, 8446400), (200, 8108544), (240, 6757120), (256, 6334800), (300, 5405696), (320, 5067840), (384, 4223200), (400, 4054272), (480, 3378560), (512, 3167400), (600, 2702848), (640, 2533920), (768, 2111600), (800, 2027136), (960, 1689280), (1024, 1583700), (1200, 1351424), (1280, 1266960), (1536, 1055800), (1600, 1013568), (1920, 844640), (2048, 791850), (2400, 675712), (2560, 633480), (3072, 527900), (3200, 506784), (3840, 422320), (4096, 395925), (4800, 337856), (5120, 316740), (5279, 307200), (6144, 263950), (6400, 253392), (7680, 211160), (9600, 168928), (10240, 158370), (10558, 153600), (12288, 131975), (12800, 126696), (15360, 105580), (15837, 102400), (19200, 84464), (20480, 79185), (21116, 76800), (25600, 63348), (26395, 61440), (30720, 52790), (31674, 51200), (38400, 42232)]