1388344560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{25261}}^1$

素因数の和:25506

約数の個数: 80

約数和(自身を含む): 4322833440

約数和(自身を除く): 2934488880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 458, 687, 916, 1145, 1374, 1832, 2290, 2748, 3435, 3664, 4580, 5496, 6870, 9160, 10992, 13740, 18320, 25261, 27480, 50522, 54960, 75783, 101044, 126305, 151566, 202088, 252610, 303132, 378915, 404176, 505220, 606264, 757830, 1010440, 1212528, 1515660, 2020880, 3031320, 5784769, 6062640, 11569538, 17354307, 23139076, 28923845, 34708614, 46278152, 57847690, 69417228, 86771535, 92556304, 115695380, 138834456, 173543070, 231390760, 277668912, 347086140, 462781520, 694172280, 1388344560]

約数ペア:

[(1, 1388344560), (2, 694172280), (3, 462781520), (4, 347086140), (5, 277668912), (6, 231390760), (8, 173543070), (10, 138834456), (12, 115695380), (15, 92556304), (16, 86771535), (20, 69417228), (24, 57847690), (30, 46278152), (40, 34708614), (48, 28923845), (60, 23139076), (80, 17354307), (120, 11569538), (229, 6062640), (240, 5784769), (458, 3031320), (687, 2020880), (916, 1515660), (1145, 1212528), (1374, 1010440), (1832, 757830), (2290, 606264), (2748, 505220), (3435, 404176), (3664, 378915), (4580, 303132), (5496, 252610), (6870, 202088), (9160, 151566), (10992, 126305), (13740, 101044), (18320, 75783), (25261, 54960), (27480, 50522)]