240661120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53719}}^1$

素因数の和:53745

約数の個数: 64

約数和(自身を含む): 657532800

約数和(自身を除く): 416871680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 53719, 107438, 214876, 268595, 376033, 429752, 537190, 752066, 859504, 1074380, 1504132, 1719008, 1880165, 2148760, 3008264, 3438016, 3760330, 4297520, 6016528, 6876032, 7520660, 8595040, 12033056, 15041320, 17190080, 24066112, 30082640, 34380160, 48132224, 60165280, 120330560, 240661120]

約数ペア:

[(1, 240661120), (2, 120330560), (4, 60165280), (5, 48132224), (7, 34380160), (8, 30082640), (10, 24066112), (14, 17190080), (16, 15041320), (20, 12033056), (28, 8595040), (32, 7520660), (35, 6876032), (40, 6016528), (56, 4297520), (64, 3760330), (70, 3438016), (80, 3008264), (112, 2148760), (128, 1880165), (140, 1719008), (160, 1504132), (224, 1074380), (280, 859504), (320, 752066), (448, 537190), (560, 429752), (640, 376033), (896, 268595), (1120, 214876), (2240, 107438), (4480, 53719)]