191949720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4091}}^1$

素因数の和:4145

約数の個数: 128

約数和(自身を含む): 636387840

約数和(自身を除く): 444438120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 3128, 3910, 4091, 4692, 5865, 7820, 8182, 9384, 11730, 12273, 15640, 16364, 20455, 23460, 24546, 32728, 40910, 46920, 49092, 61365, 69547, 81820, 94093, 98184, 122730, 139094, 163640, 188186, 208641, 245460, 278188, 282279, 347735, 376372, 417282, 470465, 490920, 556376, 564558, 695470, 752744, 834564, 940930, 1043205, 1129116, 1390940, 1411395, 1599581, 1669128, 1881860, 2086410, 2258232, 2781880, 2822790, 3199162, 3763720, 4172820, 4798743, 5645580, 6398324, 7997905, 8345640, 9597486, 11291160, 12796648, 15995810, 19194972, 23993715, 31991620, 38389944, 47987430, 63983240, 95974860, 191949720]

約数ペア:

[(1, 191949720), (2, 95974860), (3, 63983240), (4, 47987430), (5, 38389944), (6, 31991620), (8, 23993715), (10, 19194972), (12, 15995810), (15, 12796648), (17, 11291160), (20, 9597486), (23, 8345640), (24, 7997905), (30, 6398324), (34, 5645580), (40, 4798743), (46, 4172820), (51, 3763720), (60, 3199162), (68, 2822790), (69, 2781880), (85, 2258232), (92, 2086410), (102, 1881860), (115, 1669128), (120, 1599581), (136, 1411395), (138, 1390940), (170, 1129116), (184, 1043205), (204, 940930), (230, 834564), (255, 752744), (276, 695470), (340, 564558), (345, 556376), (391, 490920), (408, 470465), (460, 417282), (510, 376372), (552, 347735), (680, 282279), (690, 278188), (782, 245460), (920, 208641), (1020, 188186), (1173, 163640), (1380, 139094), (1564, 122730), (1955, 98184), (2040, 94093), (2346, 81820), (2760, 69547), (3128, 61365), (3910, 49092), (4091, 46920), (4692, 40910), (5865, 32728), (7820, 24546), (8182, 23460), (9384, 20455), (11730, 16364), (12273, 15640)]