81722160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8731}}^1$

素因数の和:8763

約数の個数: 120

約数和(自身を含む): 295595664

約数和(自身を除く): 213873504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 8731, 9360, 17462, 26193, 34924, 43655, 52386, 69848, 78579, 87310, 104772, 113503, 130965, 139696, 157158, 174620, 209544, 227006, 261930, 314316, 340509, 349240, 392895, 419088, 454012, 523860, 567515, 628632, 681018, 698480, 785790, 908024, 1021527, 1047720, 1135030, 1257264, 1362036, 1571580, 1702545, 1816048, 2043054, 2095440, 2270060, 2724072, 3143160, 3405090, 4086108, 4540120, 5107635, 5448144, 6286320, 6810180, 8172216, 9080240, 10215270, 13620360, 16344432, 20430540, 27240720, 40861080, 81722160]

約数ペア:

[(1, 81722160), (2, 40861080), (3, 27240720), (4, 20430540), (5, 16344432), (6, 13620360), (8, 10215270), (9, 9080240), (10, 8172216), (12, 6810180), (13, 6286320), (15, 5448144), (16, 5107635), (18, 4540120), (20, 4086108), (24, 3405090), (26, 3143160), (30, 2724072), (36, 2270060), (39, 2095440), (40, 2043054), (45, 1816048), (48, 1702545), (52, 1571580), (60, 1362036), (65, 1257264), (72, 1135030), (78, 1047720), (80, 1021527), (90, 908024), (104, 785790), (117, 698480), (120, 681018), (130, 628632), (144, 567515), (156, 523860), (180, 454012), (195, 419088), (208, 392895), (234, 349240), (240, 340509), (260, 314316), (312, 261930), (360, 227006), (390, 209544), (468, 174620), (520, 157158), (585, 139696), (624, 130965), (720, 113503), (780, 104772), (936, 87310), (1040, 78579), (1170, 69848), (1560, 52386), (1872, 43655), (2340, 34924), (3120, 26193), (4680, 17462), (8731, 9360)]