81500760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1871}}^1$

素因数の和:1910

約数の個数: 144

約数和(自身を含む): 291301920

約数和(自身を除く): 209801160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1871, 1980, 2178, 2420, 2904, 3630, 3742, 3960, 4356, 4840, 5445, 5613, 7260, 7484, 8712, 9355, 10890, 11226, 14520, 14968, 16839, 18710, 20581, 21780, 22452, 28065, 33678, 37420, 41162, 43560, 44904, 56130, 61743, 67356, 74840, 82324, 84195, 102905, 112260, 123486, 134712, 164648, 168390, 185229, 205810, 224520, 226391, 246972, 308715, 336780, 370458, 411620, 452782, 493944, 617430, 673560, 679173, 740916, 823240, 905564, 926145, 1131955, 1234860, 1358346, 1481832, 1811128, 1852290, 2037519, 2263910, 2469720, 2716692, 3395865, 3704580, 4075038, 4527820, 5433384, 6791730, 7409160, 8150076, 9055640, 10187595, 13583460, 16300152, 20375190, 27166920, 40750380, 81500760]

約数ペア:

[(1, 81500760), (2, 40750380), (3, 27166920), (4, 20375190), (5, 16300152), (6, 13583460), (8, 10187595), (9, 9055640), (10, 8150076), (11, 7409160), (12, 6791730), (15, 5433384), (18, 4527820), (20, 4075038), (22, 3704580), (24, 3395865), (30, 2716692), (33, 2469720), (36, 2263910), (40, 2037519), (44, 1852290), (45, 1811128), (55, 1481832), (60, 1358346), (66, 1234860), (72, 1131955), (88, 926145), (90, 905564), (99, 823240), (110, 740916), (120, 679173), (121, 673560), (132, 617430), (165, 493944), (180, 452782), (198, 411620), (220, 370458), (242, 336780), (264, 308715), (330, 246972), (360, 226391), (363, 224520), (396, 205810), (440, 185229), (484, 168390), (495, 164648), (605, 134712), (660, 123486), (726, 112260), (792, 102905), (968, 84195), (990, 82324), (1089, 74840), (1210, 67356), (1320, 61743), (1452, 56130), (1815, 44904), (1871, 43560), (1980, 41162), (2178, 37420), (2420, 33678), (2904, 28065), (3630, 22452), (3742, 21780), (3960, 20581), (4356, 18710), (4840, 16839), (5445, 14968), (5613, 14520), (7260, 11226), (7484, 10890), (8712, 9355)]