15321540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1511}}^1$

素因数の和:1549

約数の個数: 72

約数和(自身を含む): 46484928

約数和(自身を除く): 31163388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1511, 1690, 2028, 2535, 3022, 3380, 4533, 5070, 6044, 7555, 9066, 10140, 15110, 18132, 19643, 22665, 30220, 39286, 45330, 58929, 78572, 90660, 98215, 117858, 196430, 235716, 255359, 294645, 392860, 510718, 589290, 766077, 1021436, 1178580, 1276795, 1532154, 2553590, 3064308, 3830385, 5107180, 7660770, 15321540]

約数ペア:

[(1, 15321540), (2, 7660770), (3, 5107180), (4, 3830385), (5, 3064308), (6, 2553590), (10, 1532154), (12, 1276795), (13, 1178580), (15, 1021436), (20, 766077), (26, 589290), (30, 510718), (39, 392860), (52, 294645), (60, 255359), (65, 235716), (78, 196430), (130, 117858), (156, 98215), (169, 90660), (195, 78572), (260, 58929), (338, 45330), (390, 39286), (507, 30220), (676, 22665), (780, 19643), (845, 18132), (1014, 15110), (1511, 10140), (1690, 9066), (2028, 7555), (2535, 6044), (3022, 5070), (3380, 4533)]