1581004020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{908623}}^1$

素因数の和:908664

約数の個数: 48

約数和(自身を含む): 4579464960

約数和(自身を除く): 2998460940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 908623, 1817246, 2725869, 3634492, 4543115, 5451738, 9086230, 10903476, 13629345, 18172460, 26350067, 27258690, 52700134, 54517380, 79050201, 105400268, 131750335, 158100402, 263500670, 316200804, 395251005, 527001340, 790502010, 1581004020]

約数ペア:

[(1, 1581004020), (2, 790502010), (3, 527001340), (4, 395251005), (5, 316200804), (6, 263500670), (10, 158100402), (12, 131750335), (15, 105400268), (20, 79050201), (29, 54517380), (30, 52700134), (58, 27258690), (60, 26350067), (87, 18172460), (116, 13629345), (145, 10903476), (174, 9086230), (290, 5451738), (348, 4543115), (435, 3634492), (580, 2725869), (870, 1817246), (1740, 908623)]