19728354120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{143333}}^1$

素因数の和:143415

約数の個数: 128

約数和(自身を含む): 62745891840

約数和(自身を除く): 43017537720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1860, 2220, 2294, 3441, 3720, 4440, 4588, 5735, 6882, 9176, 11470, 13764, 17205, 22940, 27528, 34410, 45880, 68820, 137640, 143333, 286666, 429999, 573332, 716665, 859998, 1146664, 1433330, 1719996, 2149995, 2866660, 3439992, 4299990, 4443323, 5303321, 5733320, 8599980, 8886646, 10606642, 13329969, 15909963, 17199960, 17773292, 21213284, 22216615, 26516605, 26659938, 31819926, 35546584, 42426568, 44433230, 53033210, 53319876, 63639852, 66649845, 79549815, 88866460, 106066420, 106639752, 127279704, 133299690, 159099630, 164402951, 177732920, 212132840, 266599380, 318199260, 328805902, 493208853, 533198760, 636398520, 657611804, 822014755, 986417706, 1315223608, 1644029510, 1972835412, 2466044265, 3288059020, 3945670824, 4932088530, 6576118040, 9864177060, 19728354120]

約数ペア:

[(1, 19728354120), (2, 9864177060), (3, 6576118040), (4, 4932088530), (5, 3945670824), (6, 3288059020), (8, 2466044265), (10, 1972835412), (12, 1644029510), (15, 1315223608), (20, 986417706), (24, 822014755), (30, 657611804), (31, 636398520), (37, 533198760), (40, 493208853), (60, 328805902), (62, 318199260), (74, 266599380), (93, 212132840), (111, 177732920), (120, 164402951), (124, 159099630), (148, 133299690), (155, 127279704), (185, 106639752), (186, 106066420), (222, 88866460), (248, 79549815), (296, 66649845), (310, 63639852), (370, 53319876), (372, 53033210), (444, 44433230), (465, 42426568), (555, 35546584), (620, 31819926), (740, 26659938), (744, 26516605), (888, 22216615), (930, 21213284), (1110, 17773292), (1147, 17199960), (1240, 15909963), (1480, 13329969), (1860, 10606642), (2220, 8886646), (2294, 8599980), (3441, 5733320), (3720, 5303321), (4440, 4443323), (4588, 4299990), (5735, 3439992), (6882, 2866660), (9176, 2149995), (11470, 1719996), (13764, 1433330), (17205, 1146664), (22940, 859998), (27528, 716665), (34410, 573332), (45880, 429999), (68820, 286666), (137640, 143333)]