205515120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1271

約数の個数: 160

約数和(自身を含む): 686813184

約数和(自身を除く): 481298064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 240, 248, 276, 310, 345, 368, 372, 460, 465, 496, 552, 620, 690, 713, 744, 920, 930, 1104, 1201, 1240, 1380, 1426, 1488, 1840, 1860, 2139, 2402, 2480, 2760, 2852, 3565, 3603, 3720, 4278, 4804, 5520, 5704, 6005, 7130, 7206, 7440, 8556, 9608, 10695, 11408, 12010, 14260, 14412, 17112, 18015, 19216, 21390, 24020, 27623, 28520, 28824, 34224, 36030, 37231, 42780, 48040, 55246, 57040, 57648, 72060, 74462, 82869, 85560, 96080, 110492, 111693, 138115, 144120, 148924, 165738, 171120, 186155, 220984, 223386, 276230, 288240, 297848, 331476, 372310, 414345, 441968, 446772, 552460, 558465, 595696, 662952, 744620, 828690, 856313, 893544, 1104920, 1116930, 1325904, 1489240, 1657380, 1712626, 1787088, 2209840, 2233860, 2568939, 2978480, 3314760, 3425252, 4281565, 4467720, 5137878, 6629520, 6850504, 8563130, 8935440, 10275756, 12844695, 13701008, 17126260, 20551512, 25689390, 34252520, 41103024, 51378780, 68505040, 102757560, 205515120]

約数ペア:

[(1, 205515120), (2, 102757560), (3, 68505040), (4, 51378780), (5, 41103024), (6, 34252520), (8, 25689390), (10, 20551512), (12, 17126260), (15, 13701008), (16, 12844695), (20, 10275756), (23, 8935440), (24, 8563130), (30, 6850504), (31, 6629520), (40, 5137878), (46, 4467720), (48, 4281565), (60, 3425252), (62, 3314760), (69, 2978480), (80, 2568939), (92, 2233860), (93, 2209840), (115, 1787088), (120, 1712626), (124, 1657380), (138, 1489240), (155, 1325904), (184, 1116930), (186, 1104920), (230, 893544), (240, 856313), (248, 828690), (276, 744620), (310, 662952), (345, 595696), (368, 558465), (372, 552460), (460, 446772), (465, 441968), (496, 414345), (552, 372310), (620, 331476), (690, 297848), (713, 288240), (744, 276230), (920, 223386), (930, 220984), (1104, 186155), (1201, 171120), (1240, 165738), (1380, 148924), (1426, 144120), (1488, 138115), (1840, 111693), (1860, 110492), (2139, 96080), (2402, 85560), (2480, 82869), (2760, 74462), (2852, 72060), (3565, 57648), (3603, 57040), (3720, 55246), (4278, 48040), (4804, 42780), (5520, 37231), (5704, 36030), (6005, 34224), (7130, 28824), (7206, 28520), (7440, 27623), (8556, 24020), (9608, 21390), (10695, 19216), (11408, 18015), (12010, 17112), (14260, 14412)]