228906120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 721923840

約数和(自身を除く): 493017720

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, 197, 230, 276, 345, 394, 421, 460, 552, 591, 690, 788, 842, 920, 985, 1182, 1263, 1380, 1576, 1684, 1970, 2105, 2364, 2526, 2760, 2955, 3368, 3940, 4210, 4531, 4728, 5052, 5910, 6315, 7880, 8420, 9062, 9683, 10104, 11820, 12630, 13593, 16840, 18124, 19366, 22655, 23640, 25260, 27186, 29049, 36248, 38732, 45310, 48415, 50520, 54372, 58098, 67965, 77464, 82937, 90620, 96830, 108744, 116196, 135930, 145245, 165874, 181240, 193660, 232392, 248811, 271860, 290490, 331748, 387320, 414685, 497622, 543720, 580980, 663496, 829370, 995244, 1161960, 1244055, 1658740, 1907551, 1990488, 2488110, 3317480, 3815102, 4976220, 5722653, 7630204, 9537755, 9952440, 11445306, 15260408, 19075510, 22890612, 28613265, 38151020, 45781224, 57226530, 76302040, 114453060, 228906120]

約数ペア:

[(1, 228906120), (2, 114453060), (3, 76302040), (4, 57226530), (5, 45781224), (6, 38151020), (8, 28613265), (10, 22890612), (12, 19075510), (15, 15260408), (20, 11445306), (23, 9952440), (24, 9537755), (30, 7630204), (40, 5722653), (46, 4976220), (60, 3815102), (69, 3317480), (92, 2488110), (115, 1990488), (120, 1907551), (138, 1658740), (184, 1244055), (197, 1161960), (230, 995244), (276, 829370), (345, 663496), (394, 580980), (421, 543720), (460, 497622), (552, 414685), (591, 387320), (690, 331748), (788, 290490), (842, 271860), (920, 248811), (985, 232392), (1182, 193660), (1263, 181240), (1380, 165874), (1576, 145245), (1684, 135930), (1970, 116196), (2105, 108744), (2364, 96830), (2526, 90620), (2760, 82937), (2955, 77464), (3368, 67965), (3940, 58098), (4210, 54372), (4531, 50520), (4728, 48415), (5052, 45310), (5910, 38732), (6315, 36248), (7880, 29049), (8420, 27186), (9062, 25260), (9683, 23640), (10104, 22655), (11820, 19366), (12630, 18124), (13593, 16840)]