31515440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 81423360

約数和(自身を除く): 49907920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 607, 649, 880, 944, 1180, 1214, 1298, 2360, 2428, 2596, 3035, 3245, 4720, 4856, 5192, 6070, 6490, 6677, 9712, 10384, 12140, 12980, 13354, 24280, 25960, 26708, 33385, 35813, 48560, 51920, 53416, 66770, 71626, 106832, 133540, 143252, 179065, 267080, 286504, 358130, 393943, 534160, 573008, 716260, 787886, 1432520, 1575772, 1969715, 2865040, 3151544, 3939430, 6303088, 7878860, 15757720, 31515440]

約数ペア:

[(1, 31515440), (2, 15757720), (4, 7878860), (5, 6303088), (8, 3939430), (10, 3151544), (11, 2865040), (16, 1969715), (20, 1575772), (22, 1432520), (40, 787886), (44, 716260), (55, 573008), (59, 534160), (80, 393943), (88, 358130), (110, 286504), (118, 267080), (176, 179065), (220, 143252), (236, 133540), (295, 106832), (440, 71626), (472, 66770), (590, 53416), (607, 51920), (649, 48560), (880, 35813), (944, 33385), (1180, 26708), (1214, 25960), (1298, 24280), (2360, 13354), (2428, 12980), (2596, 12140), (3035, 10384), (3245, 9712), (4720, 6677), (4856, 6490), (5192, 6070)]