15784340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5519}}^1$

素因数の和:5552

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 23164780

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 5519, 11038, 22076, 27595, 55190, 60709, 71747, 110380, 121418, 143494, 242836, 286988, 303545, 358735, 607090, 717470, 789217, 1214180, 1434940, 1578434, 3156868, 3946085, 7892170, 15784340]

約数ペア:

[(1, 15784340), (2, 7892170), (4, 3946085), (5, 3156868), (10, 1578434), (11, 1434940), (13, 1214180), (20, 789217), (22, 717470), (26, 607090), (44, 358735), (52, 303545), (55, 286988), (65, 242836), (110, 143494), (130, 121418), (143, 110380), (220, 71747), (260, 60709), (286, 55190), (572, 27595), (715, 22076), (1430, 11038), (2860, 5519)]