9905160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 29937600

約数和(自身を除く): 20032440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 419, 591, 788, 838, 985, 1182, 1257, 1576, 1676, 1970, 2095, 2364, 2514, 2955, 3352, 3940, 4190, 4728, 5028, 5910, 6285, 7880, 8380, 10056, 11820, 12570, 16760, 23640, 25140, 50280, 82543, 165086, 247629, 330172, 412715, 495258, 660344, 825430, 990516, 1238145, 1650860, 1981032, 2476290, 3301720, 4952580, 9905160]

約数ペア:

[(1, 9905160), (2, 4952580), (3, 3301720), (4, 2476290), (5, 1981032), (6, 1650860), (8, 1238145), (10, 990516), (12, 825430), (15, 660344), (20, 495258), (24, 412715), (30, 330172), (40, 247629), (60, 165086), (120, 82543), (197, 50280), (394, 25140), (419, 23640), (591, 16760), (788, 12570), (838, 11820), (985, 10056), (1182, 8380), (1257, 7880), (1576, 6285), (1676, 5910), (1970, 5028), (2095, 4728), (2364, 4190), (2514, 3940), (2955, 3352)]