16491540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21143}}^1$

素因数の和:21168

約数の個数: 48

約数和(自身を含む): 49730688

約数和(自身を除く): 33239148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21143, 42286, 63429, 84572, 105715, 126858, 211430, 253716, 274859, 317145, 422860, 549718, 634290, 824577, 1099436, 1268580, 1374295, 1649154, 2748590, 3298308, 4122885, 5497180, 8245770, 16491540]

約数ペア:

[(1, 16491540), (2, 8245770), (3, 5497180), (4, 4122885), (5, 3298308), (6, 2748590), (10, 1649154), (12, 1374295), (13, 1268580), (15, 1099436), (20, 824577), (26, 634290), (30, 549718), (39, 422860), (52, 317145), (60, 274859), (65, 253716), (78, 211430), (130, 126858), (156, 105715), (195, 84572), (260, 63429), (390, 42286), (780, 21143)]