18930720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39439}}^1$

素因数の和:39457

約数の個数: 48

約数和(自身を含む): 59633280

約数和(自身を除く): 40702560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39439, 78878, 118317, 157756, 197195, 236634, 315512, 394390, 473268, 591585, 631024, 788780, 946536, 1183170, 1262048, 1577560, 1893072, 2366340, 3155120, 3786144, 4732680, 6310240, 9465360, 18930720]

約数ペア:

[(1, 18930720), (2, 9465360), (3, 6310240), (4, 4732680), (5, 3786144), (6, 3155120), (8, 2366340), (10, 1893072), (12, 1577560), (15, 1262048), (16, 1183170), (20, 946536), (24, 788780), (30, 631024), (32, 591585), (40, 473268), (48, 394390), (60, 315512), (80, 236634), (96, 197195), (120, 157756), (160, 118317), (240, 78878), (480, 39439)]