19620840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7109}}^1$

素因数の和:7146

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 41809560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7109, 14218, 21327, 28436, 35545, 42654, 56872, 71090, 85308, 106635, 142180, 163507, 170616, 213270, 284360, 327014, 426540, 490521, 654028, 817535, 853080, 981042, 1308056, 1635070, 1962084, 2452605, 3270140, 3924168, 4905210, 6540280, 9810420, 19620840]

約数ペア:

[(1, 19620840), (2, 9810420), (3, 6540280), (4, 4905210), (5, 3924168), (6, 3270140), (8, 2452605), (10, 1962084), (12, 1635070), (15, 1308056), (20, 981042), (23, 853080), (24, 817535), (30, 654028), (40, 490521), (46, 426540), (60, 327014), (69, 284360), (92, 213270), (115, 170616), (120, 163507), (138, 142180), (184, 106635), (230, 85308), (276, 71090), (345, 56872), (460, 42654), (552, 35545), (690, 28436), (920, 21327), (1380, 14218), (2760, 7109)]