640416096

素因数分解:

$2^5\times 3^2\times {\mathrm{103}}^1\times {\mathrm{21589}}^1$

素因数の和:21708

約数の個数: 72

約数和(自身を含む): 1838949840

約数和(自身を除く): 1198533744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 103, 144, 206, 288, 309, 412, 618, 824, 927, 1236, 1648, 1854, 2472, 3296, 3708, 4944, 7416, 9888, 14832, 21589, 29664, 43178, 64767, 86356, 129534, 172712, 194301, 259068, 345424, 388602, 518136, 690848, 777204, 1036272, 1554408, 2072544, 2223667, 3108816, 4447334, 6217632, 6671001, 8894668, 13342002, 17789336, 20013003, 26684004, 35578672, 40026006, 53368008, 71157344, 80052012, 106736016, 160104024, 213472032, 320208048, 640416096]

約数ペア:

[(1, 640416096), (2, 320208048), (3, 213472032), (4, 160104024), (6, 106736016), (8, 80052012), (9, 71157344), (12, 53368008), (16, 40026006), (18, 35578672), (24, 26684004), (32, 20013003), (36, 17789336), (48, 13342002), (72, 8894668), (96, 6671001), (103, 6217632), (144, 4447334), (206, 3108816), (288, 2223667), (309, 2072544), (412, 1554408), (618, 1036272), (824, 777204), (927, 690848), (1236, 518136), (1648, 388602), (1854, 345424), (2472, 259068), (3296, 194301), (3708, 172712), (4944, 129534), (7416, 86356), (9888, 64767), (14832, 43178), (21589, 29664)]