18870720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1787}}^1$

素因数の和:1818

約数の個数: 112

約数和(自身を含む): 65397888

約数和(自身を除く): 46527168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 1787, 2112, 2640, 3520, 3574, 5280, 5361, 7148, 8935, 10560, 10722, 14296, 17870, 19657, 21444, 26805, 28592, 35740, 39314, 42888, 53610, 57184, 58971, 71480, 78628, 85776, 98285, 107220, 114368, 117942, 142960, 157256, 171552, 196570, 214440, 235884, 285920, 294855, 314512, 343104, 393140, 428880, 471768, 571840, 589710, 629024, 786280, 857760, 943536, 1179420, 1258048, 1572560, 1715520, 1887072, 2358840, 3145120, 3774144, 4717680, 6290240, 9435360, 18870720]

約数ペア:

[(1, 18870720), (2, 9435360), (3, 6290240), (4, 4717680), (5, 3774144), (6, 3145120), (8, 2358840), (10, 1887072), (11, 1715520), (12, 1572560), (15, 1258048), (16, 1179420), (20, 943536), (22, 857760), (24, 786280), (30, 629024), (32, 589710), (33, 571840), (40, 471768), (44, 428880), (48, 393140), (55, 343104), (60, 314512), (64, 294855), (66, 285920), (80, 235884), (88, 214440), (96, 196570), (110, 171552), (120, 157256), (132, 142960), (160, 117942), (165, 114368), (176, 107220), (192, 98285), (220, 85776), (240, 78628), (264, 71480), (320, 58971), (330, 57184), (352, 53610), (440, 42888), (480, 39314), (528, 35740), (660, 28592), (704, 26805), (880, 21444), (960, 19657), (1056, 17870), (1320, 14296), (1760, 10722), (1787, 10560), (2112, 8935), (2640, 7148), (3520, 5361), (3574, 5280)]