72078560

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1361}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 170925552

約数和(自身を除く): 98846992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1324, 1361, 1655, 2648, 2722, 3310, 5296, 5444, 6620, 6805, 10592, 10888, 13240, 13610, 21776, 26480, 27220, 43552, 52960, 54440, 108880, 217760, 450491, 900982, 1801964, 2252455, 3603928, 4504910, 7207856, 9009820, 14415712, 18019640, 36039280, 72078560]

約数ペア:

[(1, 72078560), (2, 36039280), (4, 18019640), (5, 14415712), (8, 9009820), (10, 7207856), (16, 4504910), (20, 3603928), (32, 2252455), (40, 1801964), (80, 900982), (160, 450491), (331, 217760), (662, 108880), (1324, 54440), (1361, 52960), (1655, 43552), (2648, 27220), (2722, 26480), (3310, 21776), (5296, 13610), (5444, 13240), (6620, 10888), (6805, 10592)]