64470780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32561}}^1$

素因数の和:32587

約数の個数: 72

約数和(自身を含む): 213346224

約数和(自身を除く): 148875444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 32561, 65122, 97683, 130244, 162805, 195366, 293049, 325610, 358171, 390732, 488415, 586098, 651220, 716342, 976830, 1074513, 1172196, 1432684, 1465245, 1790855, 1953660, 2149026, 2930490, 3223539, 3581710, 4298052, 5372565, 5860980, 6447078, 7163420, 10745130, 12894156, 16117695, 21490260, 32235390, 64470780]

約数ペア:

[(1, 64470780), (2, 32235390), (3, 21490260), (4, 16117695), (5, 12894156), (6, 10745130), (9, 7163420), (10, 6447078), (11, 5860980), (12, 5372565), (15, 4298052), (18, 3581710), (20, 3223539), (22, 2930490), (30, 2149026), (33, 1953660), (36, 1790855), (44, 1465245), (45, 1432684), (55, 1172196), (60, 1074513), (66, 976830), (90, 716342), (99, 651220), (110, 586098), (132, 488415), (165, 390732), (180, 358171), (198, 325610), (220, 293049), (330, 195366), (396, 162805), (495, 130244), (660, 97683), (990, 65122), (1980, 32561)]