280110720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3943}}^1$

素因数の和:4002

約数の個数: 128

約数和(自身を含む): 917216640

約数和(自身を除く): 637105920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 555, 592, 640, 740, 888, 960, 1110, 1184, 1480, 1776, 1920, 2220, 2368, 2960, 3552, 3943, 4440, 4736, 5920, 7104, 7886, 8880, 11829, 11840, 14208, 15772, 17760, 19715, 23658, 23680, 31544, 35520, 39430, 47316, 59145, 63088, 71040, 78860, 94632, 118290, 126176, 145891, 157720, 189264, 236580, 252352, 291782, 315440, 378528, 437673, 473160, 504704, 583564, 630880, 729455, 757056, 875346, 946320, 1167128, 1261760, 1458910, 1514112, 1750692, 1892640, 2188365, 2334256, 2523520, 2917820, 3501384, 3785280, 4376730, 4668512, 5835640, 7002768, 7570560, 8753460, 9337024, 11671280, 14005536, 17506920, 18674048, 23342560, 28011072, 35013840, 46685120, 56022144, 70027680, 93370240, 140055360, 280110720]

約数ペア:

[(1, 280110720), (2, 140055360), (3, 93370240), (4, 70027680), (5, 56022144), (6, 46685120), (8, 35013840), (10, 28011072), (12, 23342560), (15, 18674048), (16, 17506920), (20, 14005536), (24, 11671280), (30, 9337024), (32, 8753460), (37, 7570560), (40, 7002768), (48, 5835640), (60, 4668512), (64, 4376730), (74, 3785280), (80, 3501384), (96, 2917820), (111, 2523520), (120, 2334256), (128, 2188365), (148, 1892640), (160, 1750692), (185, 1514112), (192, 1458910), (222, 1261760), (240, 1167128), (296, 946320), (320, 875346), (370, 757056), (384, 729455), (444, 630880), (480, 583564), (555, 504704), (592, 473160), (640, 437673), (740, 378528), (888, 315440), (960, 291782), (1110, 252352), (1184, 236580), (1480, 189264), (1776, 157720), (1920, 145891), (2220, 126176), (2368, 118290), (2960, 94632), (3552, 78860), (3943, 71040), (4440, 63088), (4736, 59145), (5920, 47316), (7104, 39430), (7886, 35520), (8880, 31544), (11829, 23680), (11840, 23658), (14208, 19715), (15772, 17760)]