640880256

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1146

約数の個数: 128

約数和(自身を含む): 1790712000

約数和(自身を除く): 1149831744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 43, 48, 64, 74, 86, 96, 111, 128, 129, 148, 172, 192, 222, 258, 296, 344, 384, 444, 516, 592, 688, 888, 1032, 1049, 1184, 1376, 1591, 1776, 2064, 2098, 2368, 2752, 3147, 3182, 3552, 4128, 4196, 4736, 4773, 5504, 6294, 6364, 7104, 8256, 8392, 9546, 12588, 12728, 14208, 16512, 16784, 19092, 25176, 25456, 33568, 38184, 38813, 45107, 50352, 50912, 67136, 76368, 77626, 90214, 100704, 101824, 116439, 134272, 135321, 152736, 155252, 180428, 201408, 203648, 232878, 270642, 305472, 310504, 360856, 402816, 465756, 541284, 610944, 621008, 721712, 931512, 1082568, 1242016, 1443424, 1668959, 1863024, 2165136, 2484032, 2886848, 3337918, 3726048, 4330272, 4968064, 5006877, 5773696, 6675836, 7452096, 8660544, 10013754, 13351672, 14904192, 17321088, 20027508, 26703344, 40055016, 53406688, 80110032, 106813376, 160220064, 213626752, 320440128, 640880256]

約数ペア:

[(1, 640880256), (2, 320440128), (3, 213626752), (4, 160220064), (6, 106813376), (8, 80110032), (12, 53406688), (16, 40055016), (24, 26703344), (32, 20027508), (37, 17321088), (43, 14904192), (48, 13351672), (64, 10013754), (74, 8660544), (86, 7452096), (96, 6675836), (111, 5773696), (128, 5006877), (129, 4968064), (148, 4330272), (172, 3726048), (192, 3337918), (222, 2886848), (258, 2484032), (296, 2165136), (344, 1863024), (384, 1668959), (444, 1443424), (516, 1242016), (592, 1082568), (688, 931512), (888, 721712), (1032, 621008), (1049, 610944), (1184, 541284), (1376, 465756), (1591, 402816), (1776, 360856), (2064, 310504), (2098, 305472), (2368, 270642), (2752, 232878), (3147, 203648), (3182, 201408), (3552, 180428), (4128, 155252), (4196, 152736), (4736, 135321), (4773, 134272), (5504, 116439), (6294, 101824), (6364, 100704), (7104, 90214), (8256, 77626), (8392, 76368), (9546, 67136), (12588, 50912), (12728, 50352), (14208, 45107), (16512, 38813), (16784, 38184), (19092, 33568), (25176, 25456)]