271966920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 128

約数和(自身を含む): 837008640

約数和(自身を除く): 565041720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 137, 142, 213, 233, 274, 284, 355, 411, 426, 466, 548, 568, 685, 699, 710, 822, 852, 932, 1065, 1096, 1165, 1370, 1398, 1420, 1644, 1704, 1864, 2055, 2130, 2330, 2740, 2796, 2840, 3288, 3495, 4110, 4260, 4660, 5480, 5592, 6990, 8220, 8520, 9320, 9727, 13980, 16440, 16543, 19454, 27960, 29181, 31921, 33086, 38908, 48635, 49629, 58362, 63842, 66172, 77816, 82715, 95763, 97270, 99258, 116724, 127684, 132344, 145905, 159605, 165430, 191526, 194540, 198516, 233448, 248145, 255368, 291810, 319210, 330860, 383052, 389080, 397032, 478815, 496290, 583620, 638420, 661720, 766104, 957630, 992580, 1167240, 1276840, 1915260, 1985160, 2266391, 3830520, 4532782, 6799173, 9065564, 11331955, 13598346, 18131128, 22663910, 27196692, 33995865, 45327820, 54393384, 67991730, 90655640, 135983460, 271966920]

約数ペア:

[(1, 271966920), (2, 135983460), (3, 90655640), (4, 67991730), (5, 54393384), (6, 45327820), (8, 33995865), (10, 27196692), (12, 22663910), (15, 18131128), (20, 13598346), (24, 11331955), (30, 9065564), (40, 6799173), (60, 4532782), (71, 3830520), (120, 2266391), (137, 1985160), (142, 1915260), (213, 1276840), (233, 1167240), (274, 992580), (284, 957630), (355, 766104), (411, 661720), (426, 638420), (466, 583620), (548, 496290), (568, 478815), (685, 397032), (699, 389080), (710, 383052), (822, 330860), (852, 319210), (932, 291810), (1065, 255368), (1096, 248145), (1165, 233448), (1370, 198516), (1398, 194540), (1420, 191526), (1644, 165430), (1704, 159605), (1864, 145905), (2055, 132344), (2130, 127684), (2330, 116724), (2740, 99258), (2796, 97270), (2840, 95763), (3288, 82715), (3495, 77816), (4110, 66172), (4260, 63842), (4660, 58362), (5480, 49629), (5592, 48635), (6990, 38908), (8220, 33086), (8520, 31921), (9320, 29181), (9727, 27960), (13980, 19454), (16440, 16543)]