1230080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2$

素因数の和:83

約数の個数: 54

約数和(自身を含む): 3044538

約数和(自身を除く): 1814458

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 961, 992, 1240, 1280, 1922, 1984, 2480, 3844, 3968, 4805, 4960, 7688, 7936, 9610, 9920, 15376, 19220, 19840, 30752, 38440, 39680, 61504, 76880, 123008, 153760, 246016, 307520, 615040, 1230080]

約数ペア:

[(1, 1230080), (2, 615040), (4, 307520), (5, 246016), (8, 153760), (10, 123008), (16, 76880), (20, 61504), (31, 39680), (32, 38440), (40, 30752), (62, 19840), (64, 19220), (80, 15376), (124, 9920), (128, 9610), (155, 7936), (160, 7688), (248, 4960), (256, 4805), (310, 3968), (320, 3844), (496, 2480), (620, 1984), (640, 1922), (961, 1280), (992, 1240)]