15561910

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 35280000

約数和(自身を除く): 19718090

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 343, 349, 455, 490, 637, 686, 698, 910, 1274, 1715, 1745, 2443, 3185, 3430, 3490, 4459, 4537, 4886, 6370, 8918, 9074, 12215, 17101, 22295, 22685, 24430, 31759, 34202, 44590, 45370, 63518, 85505, 119707, 158795, 171010, 222313, 239414, 317590, 444626, 598535, 1111565, 1197070, 1556191, 2223130, 3112382, 7780955, 15561910]

約数ペア:

[(1, 15561910), (2, 7780955), (5, 3112382), (7, 2223130), (10, 1556191), (13, 1197070), (14, 1111565), (26, 598535), (35, 444626), (49, 317590), (65, 239414), (70, 222313), (91, 171010), (98, 158795), (130, 119707), (182, 85505), (245, 63518), (343, 45370), (349, 44590), (455, 34202), (490, 31759), (637, 24430), (686, 22685), (698, 22295), (910, 17101), (1274, 12215), (1715, 9074), (1745, 8918), (2443, 6370), (3185, 4886), (3430, 4537), (3490, 4459)]