81386640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{919}}^1$

素因数の和:982

約数の個数: 160

約数和(自身を含む): 287481600

約数和(自身を除く): 206094960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 72, 80, 82, 90, 108, 120, 123, 135, 144, 164, 180, 205, 216, 240, 246, 270, 328, 360, 369, 410, 432, 492, 540, 615, 656, 720, 738, 820, 919, 984, 1080, 1107, 1230, 1476, 1640, 1838, 1845, 1968, 2160, 2214, 2460, 2757, 2952, 3280, 3676, 3690, 4428, 4595, 4920, 5514, 5535, 5904, 7352, 7380, 8271, 8856, 9190, 9840, 11028, 11070, 13785, 14704, 14760, 16542, 17712, 18380, 22056, 22140, 24813, 27570, 29520, 33084, 36760, 37679, 41355, 44112, 44280, 49626, 55140, 66168, 73520, 75358, 82710, 88560, 99252, 110280, 113037, 124065, 132336, 150716, 165420, 188395, 198504, 220560, 226074, 248130, 301432, 330840, 339111, 376790, 397008, 452148, 496260, 565185, 602864, 661680, 678222, 753580, 904296, 992520, 1017333, 1130370, 1356444, 1507160, 1695555, 1808592, 1985040, 2034666, 2260740, 2712888, 3014320, 3391110, 4069332, 4521480, 5086665, 5425776, 6782220, 8138664, 9042960, 10173330, 13564440, 16277328, 20346660, 27128880, 40693320, 81386640]

約数ペア:

[(1, 81386640), (2, 40693320), (3, 27128880), (4, 20346660), (5, 16277328), (6, 13564440), (8, 10173330), (9, 9042960), (10, 8138664), (12, 6782220), (15, 5425776), (16, 5086665), (18, 4521480), (20, 4069332), (24, 3391110), (27, 3014320), (30, 2712888), (36, 2260740), (40, 2034666), (41, 1985040), (45, 1808592), (48, 1695555), (54, 1507160), (60, 1356444), (72, 1130370), (80, 1017333), (82, 992520), (90, 904296), (108, 753580), (120, 678222), (123, 661680), (135, 602864), (144, 565185), (164, 496260), (180, 452148), (205, 397008), (216, 376790), (240, 339111), (246, 330840), (270, 301432), (328, 248130), (360, 226074), (369, 220560), (410, 198504), (432, 188395), (492, 165420), (540, 150716), (615, 132336), (656, 124065), (720, 113037), (738, 110280), (820, 99252), (919, 88560), (984, 82710), (1080, 75358), (1107, 73520), (1230, 66168), (1476, 55140), (1640, 49626), (1838, 44280), (1845, 44112), (1968, 41355), (2160, 37679), (2214, 36760), (2460, 33084), (2757, 29520), (2952, 27570), (3280, 24813), (3676, 22140), (3690, 22056), (4428, 18380), (4595, 17712), (4920, 16542), (5514, 14760), (5535, 14704), (5904, 13785), (7352, 11070), (7380, 11028), (8271, 9840), (8856, 9190)]