28138440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21317}}^1$

素因数の和:21342

約数の個数: 64

約数和(自身を含む): 92093760

約数和(自身を除く): 63955320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21317, 42634, 63951, 85268, 106585, 127902, 170536, 213170, 234487, 255804, 319755, 426340, 468974, 511608, 639510, 703461, 852680, 937948, 1172435, 1279020, 1406922, 1875896, 2344870, 2558040, 2813844, 3517305, 4689740, 5627688, 7034610, 9379480, 14069220, 28138440]

約数ペア:

[(1, 28138440), (2, 14069220), (3, 9379480), (4, 7034610), (5, 5627688), (6, 4689740), (8, 3517305), (10, 2813844), (11, 2558040), (12, 2344870), (15, 1875896), (20, 1406922), (22, 1279020), (24, 1172435), (30, 937948), (33, 852680), (40, 703461), (44, 639510), (55, 511608), (60, 468974), (66, 426340), (88, 319755), (110, 255804), (120, 234487), (132, 213170), (165, 170536), (220, 127902), (264, 106585), (330, 85268), (440, 63951), (660, 42634), (1320, 21317)]