262740420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23929}}^1$

素因数の和:24005

約数の個数: 72

約数和(自身を含む): 810078360

約数和(自身を除く): 547337940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 23929, 47858, 71787, 95716, 119645, 143574, 215361, 239290, 287148, 358935, 430722, 478580, 717870, 861444, 1076805, 1435740, 1459669, 2153610, 2919338, 4307220, 4379007, 5838676, 7298345, 8758014, 13137021, 14596690, 17516028, 21895035, 26274042, 29193380, 43790070, 52548084, 65685105, 87580140, 131370210, 262740420]

約数ペア:

[(1, 262740420), (2, 131370210), (3, 87580140), (4, 65685105), (5, 52548084), (6, 43790070), (9, 29193380), (10, 26274042), (12, 21895035), (15, 17516028), (18, 14596690), (20, 13137021), (30, 8758014), (36, 7298345), (45, 5838676), (60, 4379007), (61, 4307220), (90, 2919338), (122, 2153610), (180, 1459669), (183, 1435740), (244, 1076805), (305, 861444), (366, 717870), (549, 478580), (610, 430722), (732, 358935), (915, 287148), (1098, 239290), (1220, 215361), (1830, 143574), (2196, 119645), (2745, 95716), (3660, 71787), (5490, 47858), (10980, 23929)]