28085730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 69621120

約数和(自身を除く): 41535390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 89, 134, 157, 178, 201, 267, 314, 335, 402, 445, 471, 534, 670, 785, 890, 942, 1005, 1335, 1570, 2010, 2355, 2670, 4710, 5963, 10519, 11926, 13973, 17889, 21038, 27946, 29815, 31557, 35778, 41919, 52595, 59630, 63114, 69865, 83838, 89445, 105190, 139730, 157785, 178890, 209595, 315570, 419190, 936191, 1872382, 2808573, 4680955, 5617146, 9361910, 14042865, 28085730]

約数ペア:

[(1, 28085730), (2, 14042865), (3, 9361910), (5, 5617146), (6, 4680955), (10, 2808573), (15, 1872382), (30, 936191), (67, 419190), (89, 315570), (134, 209595), (157, 178890), (178, 157785), (201, 139730), (267, 105190), (314, 89445), (335, 83838), (402, 69865), (445, 63114), (471, 59630), (534, 52595), (670, 41919), (785, 35778), (890, 31557), (942, 29815), (1005, 27946), (1335, 21038), (1570, 17889), (2010, 13973), (2355, 11926), (2670, 10519), (4710, 5963)]