60721720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{733}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 145332000

約数和(自身を除く): 84610280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 733, 760, 872, 1090, 1466, 2071, 2180, 2932, 3665, 4142, 4360, 5864, 7330, 8284, 10355, 13927, 14660, 16568, 20710, 27854, 29320, 41420, 55708, 69635, 79897, 82840, 111416, 139270, 159794, 278540, 319588, 399485, 557080, 639176, 798970, 1518043, 1597940, 3036086, 3195880, 6072172, 7590215, 12144344, 15180430, 30360860, 60721720]

約数ペア:

[(1, 60721720), (2, 30360860), (4, 15180430), (5, 12144344), (8, 7590215), (10, 6072172), (19, 3195880), (20, 3036086), (38, 1597940), (40, 1518043), (76, 798970), (95, 639176), (109, 557080), (152, 399485), (190, 319588), (218, 278540), (380, 159794), (436, 139270), (545, 111416), (733, 82840), (760, 79897), (872, 69635), (1090, 55708), (1466, 41420), (2071, 29320), (2180, 27854), (2932, 20710), (3665, 16568), (4142, 14660), (4360, 13927), (5864, 10355), (7330, 8284)]