55400940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43969}}^1$

素因数の和:43991

約数の個数: 72

約数和(自身を含む): 192060960

約数和(自身を除く): 136660020

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, 43969, 87938, 131907, 175876, 219845, 263814, 307783, 395721, 439690, 527628, 615566, 659535, 791442, 879380, 923349, 1231132, 1319070, 1538915, 1582884, 1846698, 1978605, 2638140, 2770047, 3077830, 3693396, 3957210, 4616745, 5540094, 6155660, 7914420, 9233490, 11080188, 13850235, 18466980, 27700470, 55400940]

約数ペア:

[(1, 55400940), (2, 27700470), (3, 18466980), (4, 13850235), (5, 11080188), (6, 9233490), (7, 7914420), (9, 6155660), (10, 5540094), (12, 4616745), (14, 3957210), (15, 3693396), (18, 3077830), (20, 2770047), (21, 2638140), (28, 1978605), (30, 1846698), (35, 1582884), (36, 1538915), (42, 1319070), (45, 1231132), (60, 923349), (63, 879380), (70, 791442), (84, 659535), (90, 615566), (105, 527628), (126, 439690), (140, 395721), (180, 307783), (210, 263814), (252, 219845), (315, 175876), (420, 131907), (630, 87938), (1260, 43969)]