131204360

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 351648000

約数和(自身を除く): 220443640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 98, 131, 140, 146, 196, 245, 262, 280, 292, 343, 365, 392, 490, 511, 524, 584, 655, 686, 730, 917, 980, 1022, 1048, 1310, 1372, 1460, 1715, 1834, 1960, 2044, 2555, 2620, 2744, 2920, 3430, 3577, 3668, 4088, 4585, 5110, 5240, 6419, 6860, 7154, 7336, 9170, 9563, 10220, 12838, 13720, 14308, 17885, 18340, 19126, 20440, 25039, 25676, 28616, 32095, 35770, 36680, 38252, 44933, 47815, 50078, 51352, 64190, 66941, 71540, 76504, 89866, 95630, 100156, 125195, 128380, 133882, 143080, 179732, 191260, 200312, 224665, 250390, 256760, 267764, 334705, 359464, 382520, 449330, 468587, 500780, 535528, 669410, 898660, 937174, 1001560, 1338820, 1797320, 1874348, 2342935, 2677640, 3280109, 3748696, 4685870, 6560218, 9371740, 13120436, 16400545, 18743480, 26240872, 32801090, 65602180, 131204360]

約数ペア:

[(1, 131204360), (2, 65602180), (4, 32801090), (5, 26240872), (7, 18743480), (8, 16400545), (10, 13120436), (14, 9371740), (20, 6560218), (28, 4685870), (35, 3748696), (40, 3280109), (49, 2677640), (56, 2342935), (70, 1874348), (73, 1797320), (98, 1338820), (131, 1001560), (140, 937174), (146, 898660), (196, 669410), (245, 535528), (262, 500780), (280, 468587), (292, 449330), (343, 382520), (365, 359464), (392, 334705), (490, 267764), (511, 256760), (524, 250390), (584, 224665), (655, 200312), (686, 191260), (730, 179732), (917, 143080), (980, 133882), (1022, 128380), (1048, 125195), (1310, 100156), (1372, 95630), (1460, 89866), (1715, 76504), (1834, 71540), (1960, 66941), (2044, 64190), (2555, 51352), (2620, 50078), (2744, 47815), (2920, 44933), (3430, 38252), (3577, 36680), (3668, 35770), (4088, 32095), (4585, 28616), (5110, 25676), (5240, 25039), (6419, 20440), (6860, 19126), (7154, 18340), (7336, 17885), (9170, 14308), (9563, 13720), (10220, 12838)]