21965040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{10169}}^1$

素因数の和:10191

約数の個数: 80

約数和(自身を含む): 75664800

約数和(自身を除く): 53699760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 10169, 20338, 30507, 40676, 50845, 61014, 81352, 91521, 101690, 122028, 152535, 162704, 183042, 203380, 244056, 274563, 305070, 366084, 406760, 457605, 488112, 549126, 610140, 732168, 813520, 915210, 1098252, 1220280, 1372815, 1464336, 1830420, 2196504, 2440560, 2745630, 3660840, 4393008, 5491260, 7321680, 10982520, 21965040]

約数ペア:

[(1, 21965040), (2, 10982520), (3, 7321680), (4, 5491260), (5, 4393008), (6, 3660840), (8, 2745630), (9, 2440560), (10, 2196504), (12, 1830420), (15, 1464336), (16, 1372815), (18, 1220280), (20, 1098252), (24, 915210), (27, 813520), (30, 732168), (36, 610140), (40, 549126), (45, 488112), (48, 457605), (54, 406760), (60, 366084), (72, 305070), (80, 274563), (90, 244056), (108, 203380), (120, 183042), (135, 162704), (144, 152535), (180, 122028), (216, 101690), (240, 91521), (270, 81352), (360, 61014), (432, 50845), (540, 40676), (720, 30507), (1080, 20338), (2160, 10169)]