7828120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 10834280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 107, 118, 124, 155, 214, 236, 248, 295, 310, 428, 472, 535, 590, 620, 856, 1070, 1180, 1240, 1829, 2140, 2360, 3317, 3658, 4280, 6313, 6634, 7316, 9145, 12626, 13268, 14632, 16585, 18290, 25252, 26536, 31565, 33170, 36580, 50504, 63130, 66340, 73160, 126260, 132680, 195703, 252520, 391406, 782812, 978515, 1565624, 1957030, 3914060, 7828120]

約数ペア:

[(1, 7828120), (2, 3914060), (4, 1957030), (5, 1565624), (8, 978515), (10, 782812), (20, 391406), (31, 252520), (40, 195703), (59, 132680), (62, 126260), (107, 73160), (118, 66340), (124, 63130), (155, 50504), (214, 36580), (236, 33170), (248, 31565), (295, 26536), (310, 25252), (428, 18290), (472, 16585), (535, 14632), (590, 13268), (620, 12626), (856, 9145), (1070, 7316), (1180, 6634), (1240, 6313), (1829, 4280), (2140, 3658), (2360, 3317)]