28925040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:838

約数の個数: 80

約数和(自身を含む): 90279936

約数和(自身を除く): 61354896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 573, 631, 764, 955, 1146, 1262, 1528, 1893, 1910, 2292, 2524, 2865, 3056, 3155, 3786, 3820, 4584, 5048, 5730, 6310, 7572, 7640, 9168, 9465, 10096, 11460, 12620, 15144, 15280, 18930, 22920, 25240, 30288, 37860, 45840, 50480, 75720, 120521, 151440, 241042, 361563, 482084, 602605, 723126, 964168, 1205210, 1446252, 1807815, 1928336, 2410420, 2892504, 3615630, 4820840, 5785008, 7231260, 9641680, 14462520, 28925040]

約数ペア:

[(1, 28925040), (2, 14462520), (3, 9641680), (4, 7231260), (5, 5785008), (6, 4820840), (8, 3615630), (10, 2892504), (12, 2410420), (15, 1928336), (16, 1807815), (20, 1446252), (24, 1205210), (30, 964168), (40, 723126), (48, 602605), (60, 482084), (80, 361563), (120, 241042), (191, 151440), (240, 120521), (382, 75720), (573, 50480), (631, 45840), (764, 37860), (955, 30288), (1146, 25240), (1262, 22920), (1528, 18930), (1893, 15280), (1910, 15144), (2292, 12620), (2524, 11460), (2865, 10096), (3056, 9465), (3155, 9168), (3786, 7640), (3820, 7572), (4584, 6310), (5048, 5730)]