61451520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1268

約数の個数: 144

約数和(自身を含む): 211529472

約数和(自身を除く): 150077952

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, 520, 624, 640, 768, 780, 832, 960, 1040, 1231, 1248, 1280, 1560, 1664, 1920, 2080, 2462, 2496, 3120, 3328, 3693, 3840, 4160, 4924, 4992, 6155, 6240, 7386, 8320, 9848, 9984, 12310, 12480, 14772, 16003, 16640, 18465, 19696, 24620, 24960, 29544, 32006, 36930, 39392, 48009, 49240, 49920, 59088, 64012, 73860, 78784, 80015, 96018, 98480, 118176, 128024, 147720, 157568, 160030, 192036, 196960, 236352, 240045, 256048, 295440, 315136, 320060, 384072, 393920, 472704, 480090, 512096, 590880, 640120, 768144, 787840, 945408, 960180, 1024192, 1181760, 1280240, 1536288, 1575680, 1920360, 2048384, 2363520, 2560480, 3072576, 3840720, 4096768, 4727040, 5120960, 6145152, 7681440, 10241920, 12290304, 15362880, 20483840, 30725760, 61451520]

約数ペア:

[(1, 61451520), (2, 30725760), (3, 20483840), (4, 15362880), (5, 12290304), (6, 10241920), (8, 7681440), (10, 6145152), (12, 5120960), (13, 4727040), (15, 4096768), (16, 3840720), (20, 3072576), (24, 2560480), (26, 2363520), (30, 2048384), (32, 1920360), (39, 1575680), (40, 1536288), (48, 1280240), (52, 1181760), (60, 1024192), (64, 960180), (65, 945408), (78, 787840), (80, 768144), (96, 640120), (104, 590880), (120, 512096), (128, 480090), (130, 472704), (156, 393920), (160, 384072), (192, 320060), (195, 315136), (208, 295440), (240, 256048), (256, 240045), (260, 236352), (312, 196960), (320, 192036), (384, 160030), (390, 157568), (416, 147720), (480, 128024), (520, 118176), (624, 98480), (640, 96018), (768, 80015), (780, 78784), (832, 73860), (960, 64012), (1040, 59088), (1231, 49920), (1248, 49240), (1280, 48009), (1560, 39392), (1664, 36930), (1920, 32006), (2080, 29544), (2462, 24960), (2496, 24620), (3120, 19696), (3328, 18465), (3693, 16640), (3840, 16003), (4160, 14772), (4924, 12480), (4992, 12310), (6155, 9984), (6240, 9848), (7386, 8320)]