7232680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2018

約数の個数: 64

約数和(自身を含む): 20039040

約数和(自身を除く): 12806360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 1987, 3640, 3974, 7948, 9935, 13909, 15896, 19870, 25831, 27818, 39740, 51662, 55636, 69545, 79480, 103324, 111272, 129155, 139090, 180817, 206648, 258310, 278180, 361634, 516620, 556360, 723268, 904085, 1033240, 1446536, 1808170, 3616340, 7232680]

約数ペア:

[(1, 7232680), (2, 3616340), (4, 1808170), (5, 1446536), (7, 1033240), (8, 904085), (10, 723268), (13, 556360), (14, 516620), (20, 361634), (26, 278180), (28, 258310), (35, 206648), (40, 180817), (52, 139090), (56, 129155), (65, 111272), (70, 103324), (91, 79480), (104, 69545), (130, 55636), (140, 51662), (182, 39740), (260, 27818), (280, 25831), (364, 19870), (455, 15896), (520, 13909), (728, 9935), (910, 7948), (1820, 3974), (1987, 3640)]