321018040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{11131}}^1$

素因数の和:11252

約数の個数: 64

約数和(自身を含む): 833564160

約数和(自身を除く): 512546120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2884, 3605, 4120, 5768, 7210, 11131, 14420, 22262, 28840, 44524, 55655, 77917, 89048, 111310, 155834, 222620, 311668, 389585, 445240, 623336, 779170, 1146493, 1558340, 2292986, 3116680, 4585972, 5732465, 8025451, 9171944, 11464930, 16050902, 22929860, 32101804, 40127255, 45859720, 64203608, 80254510, 160509020, 321018040]

約数ペア:

[(1, 321018040), (2, 160509020), (4, 80254510), (5, 64203608), (7, 45859720), (8, 40127255), (10, 32101804), (14, 22929860), (20, 16050902), (28, 11464930), (35, 9171944), (40, 8025451), (56, 5732465), (70, 4585972), (103, 3116680), (140, 2292986), (206, 1558340), (280, 1146493), (412, 779170), (515, 623336), (721, 445240), (824, 389585), (1030, 311668), (1442, 222620), (2060, 155834), (2884, 111310), (3605, 89048), (4120, 77917), (5768, 55655), (7210, 44524), (11131, 28840), (14420, 22262)]