258813480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1187}}^1$

素因数の和:1303

約数の個数: 128

約数和(自身を含む): 821145600

約数和(自身を除く): 562332120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 79, 92, 115, 120, 138, 158, 184, 230, 237, 276, 316, 345, 395, 460, 474, 552, 632, 690, 790, 920, 948, 1185, 1187, 1380, 1580, 1817, 1896, 2370, 2374, 2760, 3160, 3561, 3634, 4740, 4748, 5451, 5935, 7122, 7268, 9085, 9480, 9496, 10902, 11870, 14244, 14536, 17805, 18170, 21804, 23740, 27255, 27301, 28488, 35610, 36340, 43608, 47480, 54510, 54602, 71220, 72680, 81903, 93773, 109020, 109204, 136505, 142440, 163806, 187546, 218040, 218408, 273010, 281319, 327612, 375092, 409515, 468865, 546020, 562638, 655224, 750184, 819030, 937730, 1092040, 1125276, 1406595, 1638060, 1875460, 2156779, 2250552, 2813190, 3276120, 3750920, 4313558, 5626380, 6470337, 8627116, 10783895, 11252760, 12940674, 17254232, 21567790, 25881348, 32351685, 43135580, 51762696, 64703370, 86271160, 129406740, 258813480]

約数ペア:

[(1, 258813480), (2, 129406740), (3, 86271160), (4, 64703370), (5, 51762696), (6, 43135580), (8, 32351685), (10, 25881348), (12, 21567790), (15, 17254232), (20, 12940674), (23, 11252760), (24, 10783895), (30, 8627116), (40, 6470337), (46, 5626380), (60, 4313558), (69, 3750920), (79, 3276120), (92, 2813190), (115, 2250552), (120, 2156779), (138, 1875460), (158, 1638060), (184, 1406595), (230, 1125276), (237, 1092040), (276, 937730), (316, 819030), (345, 750184), (395, 655224), (460, 562638), (474, 546020), (552, 468865), (632, 409515), (690, 375092), (790, 327612), (920, 281319), (948, 273010), (1185, 218408), (1187, 218040), (1380, 187546), (1580, 163806), (1817, 142440), (1896, 136505), (2370, 109204), (2374, 109020), (2760, 93773), (3160, 81903), (3561, 72680), (3634, 71220), (4740, 54602), (4748, 54510), (5451, 47480), (5935, 43608), (7122, 36340), (7268, 35610), (9085, 28488), (9480, 27301), (9496, 27255), (10902, 23740), (11870, 21804), (14244, 18170), (14536, 17805)]