28688880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10867}}^1$

素因数の和:10894

約数の個数: 80

約数和(自身を含む): 97029504

約数和(自身を除く): 68340624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10867, 21734, 32601, 43468, 54335, 65202, 86936, 108670, 119537, 130404, 163005, 173872, 217340, 239074, 260808, 326010, 358611, 434680, 478148, 521616, 597685, 652020, 717222, 869360, 956296, 1195370, 1304040, 1434444, 1793055, 1912592, 2390740, 2608080, 2868888, 3586110, 4781480, 5737776, 7172220, 9562960, 14344440, 28688880]

約数ペア:

[(1, 28688880), (2, 14344440), (3, 9562960), (4, 7172220), (5, 5737776), (6, 4781480), (8, 3586110), (10, 2868888), (11, 2608080), (12, 2390740), (15, 1912592), (16, 1793055), (20, 1434444), (22, 1304040), (24, 1195370), (30, 956296), (33, 869360), (40, 717222), (44, 652020), (48, 597685), (55, 521616), (60, 478148), (66, 434680), (80, 358611), (88, 326010), (110, 260808), (120, 239074), (132, 217340), (165, 173872), (176, 163005), (220, 130404), (240, 119537), (264, 108670), (330, 86936), (440, 65202), (528, 54335), (660, 43468), (880, 32601), (1320, 21734), (2640, 10867)]