1388580840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{55901}}^1$

素因数の和:55944

約数の個数: 128

約数和(自身を含む): 4829932800

約数和(自身を除く): 3441351960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 12420, 24840, 55901, 111802, 167703, 223604, 279505, 335406, 447208, 503109, 559010, 670812, 838515, 1006218, 1118020, 1285723, 1341624, 1509327, 1677030, 2012436, 2236040, 2515545, 2571446, 3018654, 3354060, 3857169, 4024872, 5031090, 5142892, 6037308, 6428615, 6708120, 7546635, 7714338, 10062180, 10285784, 11571507, 12074616, 12857230, 15093270, 15428676, 19285845, 20124360, 23143014, 25714460, 30186540, 30857352, 34714521, 38571690, 46286028, 51428920, 57857535, 60373080, 69429042, 77143380, 92572056, 115715070, 138858084, 154286760, 173572605, 231430140, 277716168, 347145210, 462860280, 694290420, 1388580840]

約数ペア:

[(1, 1388580840), (2, 694290420), (3, 462860280), (4, 347145210), (5, 277716168), (6, 231430140), (8, 173572605), (9, 154286760), (10, 138858084), (12, 115715070), (15, 92572056), (18, 77143380), (20, 69429042), (23, 60373080), (24, 57857535), (27, 51428920), (30, 46286028), (36, 38571690), (40, 34714521), (45, 30857352), (46, 30186540), (54, 25714460), (60, 23143014), (69, 20124360), (72, 19285845), (90, 15428676), (92, 15093270), (108, 12857230), (115, 12074616), (120, 11571507), (135, 10285784), (138, 10062180), (180, 7714338), (184, 7546635), (207, 6708120), (216, 6428615), (230, 6037308), (270, 5142892), (276, 5031090), (345, 4024872), (360, 3857169), (414, 3354060), (460, 3018654), (540, 2571446), (552, 2515545), (621, 2236040), (690, 2012436), (828, 1677030), (920, 1509327), (1035, 1341624), (1080, 1285723), (1242, 1118020), (1380, 1006218), (1656, 838515), (2070, 670812), (2484, 559010), (2760, 503109), (3105, 447208), (4140, 335406), (4968, 279505), (6210, 223604), (8280, 167703), (12420, 111802), (24840, 55901)]