18758520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1579}}^1$

素因数の和:1610

約数の個数: 128

約数和(自身を含む): 68256000

約数和(自身を除く): 49497480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1579, 1980, 2376, 2970, 3158, 3960, 4737, 5940, 6316, 7895, 9474, 11880, 12632, 14211, 15790, 17369, 18948, 23685, 28422, 31580, 34738, 37896, 42633, 47370, 52107, 56844, 63160, 69476, 71055, 85266, 86845, 94740, 104214, 113688, 138952, 142110, 156321, 170532, 173690, 189480, 208428, 213165, 260535, 284220, 312642, 341064, 347380, 416856, 426330, 468963, 521070, 568440, 625284, 694760, 781605, 852660, 937926, 1042140, 1250568, 1563210, 1705320, 1875852, 2084280, 2344815, 3126420, 3751704, 4689630, 6252840, 9379260, 18758520]

約数ペア:

[(1, 18758520), (2, 9379260), (3, 6252840), (4, 4689630), (5, 3751704), (6, 3126420), (8, 2344815), (9, 2084280), (10, 1875852), (11, 1705320), (12, 1563210), (15, 1250568), (18, 1042140), (20, 937926), (22, 852660), (24, 781605), (27, 694760), (30, 625284), (33, 568440), (36, 521070), (40, 468963), (44, 426330), (45, 416856), (54, 347380), (55, 341064), (60, 312642), (66, 284220), (72, 260535), (88, 213165), (90, 208428), (99, 189480), (108, 173690), (110, 170532), (120, 156321), (132, 142110), (135, 138952), (165, 113688), (180, 104214), (198, 94740), (216, 86845), (220, 85266), (264, 71055), (270, 69476), (297, 63160), (330, 56844), (360, 52107), (396, 47370), (440, 42633), (495, 37896), (540, 34738), (594, 31580), (660, 28422), (792, 23685), (990, 18948), (1080, 17369), (1188, 15790), (1320, 14211), (1485, 12632), (1579, 11880), (1980, 9474), (2376, 7895), (2970, 6316), (3158, 5940), (3960, 4737)]