66902440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 165058560

約数和(自身を除く): 98156120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 383, 397, 440, 766, 794, 1532, 1588, 1915, 1985, 3064, 3176, 3830, 3970, 4213, 4367, 7660, 7940, 8426, 8734, 15320, 15880, 16852, 17468, 21065, 21835, 33704, 34936, 42130, 43670, 84260, 87340, 152051, 168520, 174680, 304102, 608204, 760255, 1216408, 1520510, 1672561, 3041020, 3345122, 6082040, 6690244, 8362805, 13380488, 16725610, 33451220, 66902440]

約数ペア:

[(1, 66902440), (2, 33451220), (4, 16725610), (5, 13380488), (8, 8362805), (10, 6690244), (11, 6082040), (20, 3345122), (22, 3041020), (40, 1672561), (44, 1520510), (55, 1216408), (88, 760255), (110, 608204), (220, 304102), (383, 174680), (397, 168520), (440, 152051), (766, 87340), (794, 84260), (1532, 43670), (1588, 42130), (1915, 34936), (1985, 33704), (3064, 21835), (3176, 21065), (3830, 17468), (3970, 16852), (4213, 15880), (4367, 15320), (7660, 8734), (7940, 8426)]