15678560

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 39916800

約数和(自身を除く): 24238240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 80, 109, 116, 124, 145, 155, 160, 218, 232, 248, 290, 310, 436, 464, 496, 545, 580, 620, 872, 899, 928, 992, 1090, 1160, 1240, 1744, 1798, 2180, 2320, 2480, 3161, 3379, 3488, 3596, 4360, 4495, 4640, 4960, 6322, 6758, 7192, 8720, 8990, 12644, 13516, 14384, 15805, 16895, 17440, 17980, 25288, 27032, 28768, 31610, 33790, 35960, 50576, 54064, 63220, 67580, 71920, 97991, 101152, 108128, 126440, 135160, 143840, 195982, 252880, 270320, 391964, 489955, 505760, 540640, 783928, 979910, 1567856, 1959820, 3135712, 3919640, 7839280, 15678560]

約数ペア:

[(1, 15678560), (2, 7839280), (4, 3919640), (5, 3135712), (8, 1959820), (10, 1567856), (16, 979910), (20, 783928), (29, 540640), (31, 505760), (32, 489955), (40, 391964), (58, 270320), (62, 252880), (80, 195982), (109, 143840), (116, 135160), (124, 126440), (145, 108128), (155, 101152), (160, 97991), (218, 71920), (232, 67580), (248, 63220), (290, 54064), (310, 50576), (436, 35960), (464, 33790), (496, 31610), (545, 28768), (580, 27032), (620, 25288), (872, 17980), (899, 17440), (928, 16895), (992, 15805), (1090, 14384), (1160, 13516), (1240, 12644), (1744, 8990), (1798, 8720), (2180, 7192), (2320, 6758), (2480, 6322), (3161, 4960), (3379, 4640), (3488, 4495), (3596, 4360)]