51139920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:509

約数の個数: 160

約数和(自身を含む): 175738752

約数和(自身を除く): 124598832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 37, 39, 40, 48, 52, 60, 65, 74, 78, 80, 104, 111, 120, 130, 148, 156, 185, 195, 208, 222, 240, 260, 296, 312, 370, 390, 443, 444, 481, 520, 555, 592, 624, 740, 780, 886, 888, 962, 1040, 1110, 1329, 1443, 1480, 1560, 1772, 1776, 1924, 2215, 2220, 2405, 2658, 2886, 2960, 3120, 3544, 3848, 4430, 4440, 4810, 5316, 5759, 5772, 6645, 7088, 7215, 7696, 8860, 8880, 9620, 10632, 11518, 11544, 13290, 14430, 16391, 17277, 17720, 19240, 21264, 23036, 23088, 26580, 28795, 28860, 32782, 34554, 35440, 38480, 46072, 49173, 53160, 57590, 57720, 65564, 69108, 81955, 86385, 92144, 98346, 106320, 115180, 115440, 131128, 138216, 163910, 172770, 196692, 213083, 230360, 245865, 262256, 276432, 327820, 345540, 393384, 426166, 460720, 491730, 639249, 655640, 691080, 786768, 852332, 983460, 1065415, 1278498, 1311280, 1382160, 1704664, 1966920, 2130830, 2556996, 3196245, 3409328, 3933840, 4261660, 5113992, 6392490, 8523320, 10227984, 12784980, 17046640, 25569960, 51139920]

約数ペア:

[(1, 51139920), (2, 25569960), (3, 17046640), (4, 12784980), (5, 10227984), (6, 8523320), (8, 6392490), (10, 5113992), (12, 4261660), (13, 3933840), (15, 3409328), (16, 3196245), (20, 2556996), (24, 2130830), (26, 1966920), (30, 1704664), (37, 1382160), (39, 1311280), (40, 1278498), (48, 1065415), (52, 983460), (60, 852332), (65, 786768), (74, 691080), (78, 655640), (80, 639249), (104, 491730), (111, 460720), (120, 426166), (130, 393384), (148, 345540), (156, 327820), (185, 276432), (195, 262256), (208, 245865), (222, 230360), (240, 213083), (260, 196692), (296, 172770), (312, 163910), (370, 138216), (390, 131128), (443, 115440), (444, 115180), (481, 106320), (520, 98346), (555, 92144), (592, 86385), (624, 81955), (740, 69108), (780, 65564), (886, 57720), (888, 57590), (962, 53160), (1040, 49173), (1110, 46072), (1329, 38480), (1443, 35440), (1480, 34554), (1560, 32782), (1772, 28860), (1776, 28795), (1924, 26580), (2215, 23088), (2220, 23036), (2405, 21264), (2658, 19240), (2886, 17720), (2960, 17277), (3120, 16391), (3544, 14430), (3848, 13290), (4430, 11544), (4440, 11518), (4810, 10632), (5316, 9620), (5759, 8880), (5772, 8860), (6645, 7696), (7088, 7215)]