131761160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1801}}^1$

素因数の和:1902

約数の個数: 64

約数和(自身を含む): 311385600

約数和(自身を除く): 179624440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 472, 590, 620, 1180, 1240, 1801, 1829, 2360, 3602, 3658, 7204, 7316, 9005, 9145, 14408, 14632, 18010, 18290, 36020, 36580, 55831, 72040, 73160, 106259, 111662, 212518, 223324, 279155, 425036, 446648, 531295, 558310, 850072, 1062590, 1116620, 2125180, 2233240, 3294029, 4250360, 6588058, 13176116, 16470145, 26352232, 32940290, 65880580, 131761160]

約数ペア:

[(1, 131761160), (2, 65880580), (4, 32940290), (5, 26352232), (8, 16470145), (10, 13176116), (20, 6588058), (31, 4250360), (40, 3294029), (59, 2233240), (62, 2125180), (118, 1116620), (124, 1062590), (155, 850072), (236, 558310), (248, 531295), (295, 446648), (310, 425036), (472, 279155), (590, 223324), (620, 212518), (1180, 111662), (1240, 106259), (1801, 73160), (1829, 72040), (2360, 55831), (3602, 36580), (3658, 36020), (7204, 18290), (7316, 18010), (9005, 14632), (9145, 14408)]