648889410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21061}}^1$

素因数の和:21163

約数の個数: 64

約数和(自身を含む): 1698439680

約数和(自身を除く): 1049550270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 790, 1027, 1185, 2054, 2370, 3081, 5135, 6162, 10270, 15405, 21061, 30810, 42122, 63183, 105305, 126366, 210610, 273793, 315915, 547586, 631830, 821379, 1368965, 1642758, 1663819, 2737930, 3327638, 4106895, 4991457, 8213790, 8319095, 9982914, 16638190, 21629647, 24957285, 43259294, 49914570, 64888941, 108148235, 129777882, 216296470, 324444705, 648889410]

約数ペア:

[(1, 648889410), (2, 324444705), (3, 216296470), (5, 129777882), (6, 108148235), (10, 64888941), (13, 49914570), (15, 43259294), (26, 24957285), (30, 21629647), (39, 16638190), (65, 9982914), (78, 8319095), (79, 8213790), (130, 4991457), (158, 4106895), (195, 3327638), (237, 2737930), (390, 1663819), (395, 1642758), (474, 1368965), (790, 821379), (1027, 631830), (1185, 547586), (2054, 315915), (2370, 273793), (3081, 210610), (5135, 126366), (6162, 105305), (10270, 63183), (15405, 42122), (21061, 30810)]