87187660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2135

約数の個数: 72

約数和(自身を含む): 218045520

約数和(自身を除く): 130857860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2069, 2107, 3010, 4138, 4214, 6020, 8276, 8428, 10345, 10535, 14483, 20690, 21070, 28966, 41380, 42140, 57932, 72415, 88967, 101381, 144830, 177934, 202762, 289660, 355868, 405524, 444835, 506905, 622769, 889670, 1013810, 1245538, 1779340, 2027620, 2491076, 3113845, 4359383, 6227690, 8718766, 12455380, 17437532, 21796915, 43593830, 87187660]

約数ペア:

[(1, 87187660), (2, 43593830), (4, 21796915), (5, 17437532), (7, 12455380), (10, 8718766), (14, 6227690), (20, 4359383), (28, 3113845), (35, 2491076), (43, 2027620), (49, 1779340), (70, 1245538), (86, 1013810), (98, 889670), (140, 622769), (172, 506905), (196, 444835), (215, 405524), (245, 355868), (301, 289660), (430, 202762), (490, 177934), (602, 144830), (860, 101381), (980, 88967), (1204, 72415), (1505, 57932), (2069, 42140), (2107, 41380), (3010, 28966), (4138, 21070), (4214, 20690), (6020, 14483), (8276, 10535), (8428, 10345)]