158080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 64

約数和(自身を含む): 428400

約数和(自身を除く): 270320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1976, 2080, 2432, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 8320, 9880, 12160, 15808, 19760, 31616, 39520, 79040, 158080]

約数ペア:

[(1, 158080), (2, 79040), (4, 39520), (5, 31616), (8, 19760), (10, 15808), (13, 12160), (16, 9880), (19, 8320), (20, 7904), (26, 6080), (32, 4940), (38, 4160), (40, 3952), (52, 3040), (64, 2470), (65, 2432), (76, 2080), (80, 1976), (95, 1664), (104, 1520), (128, 1235), (130, 1216), (152, 1040), (160, 988), (190, 832), (208, 760), (247, 640), (260, 608), (304, 520), (320, 494), (380, 416)]