1275442020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{13921}}^1$

素因数の和:14445

約数の個数: 72

約数和(自身を含む): 3876720120

約数和(自身を除く): 2601278100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 509, 1018, 1527, 2036, 2545, 3054, 4581, 5090, 6108, 7635, 9162, 10180, 13921, 15270, 18324, 22905, 27842, 30540, 41763, 45810, 55684, 69605, 83526, 91620, 125289, 139210, 167052, 208815, 250578, 278420, 417630, 501156, 626445, 835260, 1252890, 2505780, 7085789, 14171578, 21257367, 28343156, 35428945, 42514734, 63772101, 70857890, 85029468, 106286835, 127544202, 141715780, 212573670, 255088404, 318860505, 425147340, 637721010, 1275442020]

約数ペア:

[(1, 1275442020), (2, 637721010), (3, 425147340), (4, 318860505), (5, 255088404), (6, 212573670), (9, 141715780), (10, 127544202), (12, 106286835), (15, 85029468), (18, 70857890), (20, 63772101), (30, 42514734), (36, 35428945), (45, 28343156), (60, 21257367), (90, 14171578), (180, 7085789), (509, 2505780), (1018, 1252890), (1527, 835260), (2036, 626445), (2545, 501156), (3054, 417630), (4581, 278420), (5090, 250578), (6108, 208815), (7635, 167052), (9162, 139210), (10180, 125289), (13921, 91620), (15270, 83526), (18324, 69605), (22905, 55684), (27842, 45810), (30540, 41763)]