16481520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2081}}^1$

素因数の和:2111

約数の個数: 120

約数和(自身を含む): 60411312

約数和(自身を除く): 43929792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2081, 2640, 3960, 4162, 6243, 7920, 8324, 10405, 12486, 16648, 18729, 20810, 22891, 24972, 31215, 33296, 37458, 41620, 45782, 49944, 62430, 68673, 74916, 83240, 91564, 93645, 99888, 114455, 124860, 137346, 149832, 166480, 183128, 187290, 206019, 228910, 249720, 274692, 299664, 343365, 366256, 374580, 412038, 457820, 499440, 549384, 686730, 749160, 824076, 915640, 1030095, 1098768, 1373460, 1498320, 1648152, 1831280, 2060190, 2746920, 3296304, 4120380, 5493840, 8240760, 16481520]

約数ペア:

[(1, 16481520), (2, 8240760), (3, 5493840), (4, 4120380), (5, 3296304), (6, 2746920), (8, 2060190), (9, 1831280), (10, 1648152), (11, 1498320), (12, 1373460), (15, 1098768), (16, 1030095), (18, 915640), (20, 824076), (22, 749160), (24, 686730), (30, 549384), (33, 499440), (36, 457820), (40, 412038), (44, 374580), (45, 366256), (48, 343365), (55, 299664), (60, 274692), (66, 249720), (72, 228910), (80, 206019), (88, 187290), (90, 183128), (99, 166480), (110, 149832), (120, 137346), (132, 124860), (144, 114455), (165, 99888), (176, 93645), (180, 91564), (198, 83240), (220, 74916), (240, 68673), (264, 62430), (330, 49944), (360, 45782), (396, 41620), (440, 37458), (495, 33296), (528, 31215), (660, 24972), (720, 22891), (792, 20810), (880, 18729), (990, 16648), (1320, 12486), (1584, 10405), (1980, 8324), (2081, 7920), (2640, 6243), (3960, 4162)]