28697160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2687}}^1$

素因数の和:2790

約数の個数: 64

約数和(自身を含む): 87091200

約数和(自身を除く): 58394040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 2687, 3560, 5340, 5374, 8061, 10680, 10748, 13435, 16122, 21496, 26870, 32244, 40305, 53740, 64488, 80610, 107480, 161220, 239143, 322440, 478286, 717429, 956572, 1195715, 1434858, 1913144, 2391430, 2869716, 3587145, 4782860, 5739432, 7174290, 9565720, 14348580, 28697160]

約数ペア:

[(1, 28697160), (2, 14348580), (3, 9565720), (4, 7174290), (5, 5739432), (6, 4782860), (8, 3587145), (10, 2869716), (12, 2391430), (15, 1913144), (20, 1434858), (24, 1195715), (30, 956572), (40, 717429), (60, 478286), (89, 322440), (120, 239143), (178, 161220), (267, 107480), (356, 80610), (445, 64488), (534, 53740), (712, 40305), (890, 32244), (1068, 26870), (1335, 21496), (1780, 16122), (2136, 13435), (2670, 10748), (2687, 10680), (3560, 8061), (5340, 5374)]