28768080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 160

約数和(自身を含む): 103171968

約数和(自身を除く): 74403888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 132, 136, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 374, 408, 440, 510, 528, 561, 641, 660, 680, 748, 816, 880, 935, 1020, 1122, 1282, 1320, 1360, 1496, 1870, 1923, 2040, 2244, 2564, 2640, 2805, 2992, 3205, 3740, 3846, 4080, 4488, 5128, 5610, 6410, 7051, 7480, 7692, 8976, 9615, 10256, 10897, 11220, 12820, 14102, 14960, 15384, 19230, 21153, 21794, 22440, 25640, 28204, 30768, 32691, 35255, 38460, 42306, 43588, 44880, 51280, 54485, 56408, 65382, 70510, 76920, 84612, 87176, 105765, 108970, 112816, 119867, 130764, 141020, 153840, 163455, 169224, 174352, 211530, 217940, 239734, 261528, 282040, 326910, 338448, 359601, 423060, 435880, 479468, 523056, 564080, 599335, 653820, 719202, 846120, 871760, 958936, 1198670, 1307640, 1438404, 1692240, 1798005, 1917872, 2397340, 2615280, 2876808, 3596010, 4794680, 5753616, 7192020, 9589360, 14384040, 28768080]

約数ペア:

[(1, 28768080), (2, 14384040), (3, 9589360), (4, 7192020), (5, 5753616), (6, 4794680), (8, 3596010), (10, 2876808), (11, 2615280), (12, 2397340), (15, 1917872), (16, 1798005), (17, 1692240), (20, 1438404), (22, 1307640), (24, 1198670), (30, 958936), (33, 871760), (34, 846120), (40, 719202), (44, 653820), (48, 599335), (51, 564080), (55, 523056), (60, 479468), (66, 435880), (68, 423060), (80, 359601), (85, 338448), (88, 326910), (102, 282040), (110, 261528), (120, 239734), (132, 217940), (136, 211530), (165, 174352), (170, 169224), (176, 163455), (187, 153840), (204, 141020), (220, 130764), (240, 119867), (255, 112816), (264, 108970), (272, 105765), (330, 87176), (340, 84612), (374, 76920), (408, 70510), (440, 65382), (510, 56408), (528, 54485), (561, 51280), (641, 44880), (660, 43588), (680, 42306), (748, 38460), (816, 35255), (880, 32691), (935, 30768), (1020, 28204), (1122, 25640), (1282, 22440), (1320, 21794), (1360, 21153), (1496, 19230), (1870, 15384), (1923, 14960), (2040, 14102), (2244, 12820), (2564, 11220), (2640, 10897), (2805, 10256), (2992, 9615), (3205, 8976), (3740, 7692), (3846, 7480), (4080, 7051), (4488, 6410), (5128, 5610)]