817386960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261983}}^1$

素因数の和:262012

約数の個数: 80

約数和(自身を含む): 2728825344

約数和(自身を除く): 1911438384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 261983, 523966, 785949, 1047932, 1309915, 1571898, 2095864, 2619830, 3143796, 3405779, 3929745, 4191728, 5239660, 6287592, 6811558, 7859490, 10217337, 10479320, 12575184, 13623116, 15718980, 17028895, 20434674, 20958640, 27246232, 31437960, 34057790, 40869348, 51086685, 54492464, 62875920, 68115580, 81738696, 102173370, 136231160, 163477392, 204346740, 272462320, 408693480, 817386960]

約数ペア:

[(1, 817386960), (2, 408693480), (3, 272462320), (4, 204346740), (5, 163477392), (6, 136231160), (8, 102173370), (10, 81738696), (12, 68115580), (13, 62875920), (15, 54492464), (16, 51086685), (20, 40869348), (24, 34057790), (26, 31437960), (30, 27246232), (39, 20958640), (40, 20434674), (48, 17028895), (52, 15718980), (60, 13623116), (65, 12575184), (78, 10479320), (80, 10217337), (104, 7859490), (120, 6811558), (130, 6287592), (156, 5239660), (195, 4191728), (208, 3929745), (240, 3405779), (260, 3143796), (312, 2619830), (390, 2095864), (520, 1571898), (624, 1309915), (780, 1047932), (1040, 785949), (1560, 523966), (3120, 261983)]