2761480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 6842880

約数和(自身を除く): 4081400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 131, 136, 155, 170, 248, 262, 310, 340, 524, 527, 620, 655, 680, 1048, 1054, 1240, 1310, 2108, 2227, 2620, 2635, 4061, 4216, 4454, 5240, 5270, 8122, 8908, 10540, 11135, 16244, 17816, 20305, 21080, 22270, 32488, 40610, 44540, 69037, 81220, 89080, 138074, 162440, 276148, 345185, 552296, 690370, 1380740, 2761480]

約数ペア:

[(1, 2761480), (2, 1380740), (4, 690370), (5, 552296), (8, 345185), (10, 276148), (17, 162440), (20, 138074), (31, 89080), (34, 81220), (40, 69037), (62, 44540), (68, 40610), (85, 32488), (124, 22270), (131, 21080), (136, 20305), (155, 17816), (170, 16244), (248, 11135), (262, 10540), (310, 8908), (340, 8122), (524, 5270), (527, 5240), (620, 4454), (655, 4216), (680, 4061), (1048, 2635), (1054, 2620), (1240, 2227), (1310, 2108)]