81459780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1249}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 228480000

約数和(自身を除く): 147020220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1087, 1249, 2174, 2498, 3261, 3747, 4348, 4996, 5435, 6245, 6522, 7494, 10870, 12490, 13044, 14988, 16305, 18735, 21740, 24980, 32610, 37470, 65220, 74940, 1357663, 2715326, 4072989, 5430652, 6788315, 8145978, 13576630, 16291956, 20364945, 27153260, 40729890, 81459780]

約数ペア:

[(1, 81459780), (2, 40729890), (3, 27153260), (4, 20364945), (5, 16291956), (6, 13576630), (10, 8145978), (12, 6788315), (15, 5430652), (20, 4072989), (30, 2715326), (60, 1357663), (1087, 74940), (1249, 65220), (2174, 37470), (2498, 32610), (3261, 24980), (3747, 21740), (4348, 18735), (4996, 16305), (5435, 14988), (6245, 13044), (6522, 12490), (7494, 10870)]