78632120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9059}}^1$

素因数の和:9108

約数の個数: 64

約数和(自身を含む): 208742400

約数和(自身を除く): 130110280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9059, 18118, 36236, 45295, 63413, 72472, 90590, 126826, 181180, 253652, 280829, 317065, 362360, 507304, 561658, 634130, 1123316, 1268260, 1404145, 1965803, 2246632, 2536520, 2808290, 3931606, 5616580, 7863212, 9829015, 11233160, 15726424, 19658030, 39316060, 78632120]

約数ペア:

[(1, 78632120), (2, 39316060), (4, 19658030), (5, 15726424), (7, 11233160), (8, 9829015), (10, 7863212), (14, 5616580), (20, 3931606), (28, 2808290), (31, 2536520), (35, 2246632), (40, 1965803), (56, 1404145), (62, 1268260), (70, 1123316), (124, 634130), (140, 561658), (155, 507304), (217, 362360), (248, 317065), (280, 280829), (310, 253652), (434, 181180), (620, 126826), (868, 90590), (1085, 72472), (1240, 63413), (1736, 45295), (2170, 36236), (4340, 18118), (8680, 9059)]