64220940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{50969}}^1$

素因数の和:50991

約数の個数: 72

約数和(自身を含む): 222636960

約数和(自身を除く): 158416020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 50969, 101938, 152907, 203876, 254845, 305814, 356783, 458721, 509690, 611628, 713566, 764535, 917442, 1019380, 1070349, 1427132, 1529070, 1783915, 1834884, 2140698, 2293605, 3058140, 3211047, 3567830, 4281396, 4587210, 5351745, 6422094, 7135660, 9174420, 10703490, 12844188, 16055235, 21406980, 32110470, 64220940]

約数ペア:

[(1, 64220940), (2, 32110470), (3, 21406980), (4, 16055235), (5, 12844188), (6, 10703490), (7, 9174420), (9, 7135660), (10, 6422094), (12, 5351745), (14, 4587210), (15, 4281396), (18, 3567830), (20, 3211047), (21, 3058140), (28, 2293605), (30, 2140698), (35, 1834884), (36, 1783915), (42, 1529070), (45, 1427132), (60, 1070349), (63, 1019380), (70, 917442), (84, 764535), (90, 713566), (105, 611628), (126, 509690), (140, 458721), (180, 356783), (210, 305814), (252, 254845), (315, 203876), (420, 152907), (630, 101938), (1260, 50969)]