1370720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 3492720

約数和(自身を除く): 2122000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 659, 1040, 1318, 2080, 2636, 3295, 5272, 6590, 8567, 10544, 13180, 17134, 21088, 26360, 34268, 42835, 52720, 68536, 85670, 105440, 137072, 171340, 274144, 342680, 685360, 1370720]

約数ペア:

[(1, 1370720), (2, 685360), (4, 342680), (5, 274144), (8, 171340), (10, 137072), (13, 105440), (16, 85670), (20, 68536), (26, 52720), (32, 42835), (40, 34268), (52, 26360), (65, 21088), (80, 17134), (104, 13180), (130, 10544), (160, 8567), (208, 6590), (260, 5272), (416, 3295), (520, 2636), (659, 2080), (1040, 1318)]