398121840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17837}}^1$

素因数の和:17887

約数の個数: 120

約数和(自身を含む): 1380233088

約数和(自身を除く): 982111248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 17837, 22320, 35674, 53511, 71348, 89185, 107022, 142696, 160533, 178370, 214044, 267555, 285392, 321066, 356740, 428088, 535110, 552947, 642132, 713480, 802665, 856176, 1070220, 1105894, 1284264, 1426960, 1605330, 1658841, 2140440, 2211788, 2568528, 2764735, 3210660, 3317682, 4280880, 4423576, 4976523, 5529470, 6421320, 6635364, 8294205, 8847152, 9953046, 11058940, 12842640, 13270728, 16588410, 19906092, 22117880, 24882615, 26541456, 33176820, 39812184, 44235760, 49765230, 66353640, 79624368, 99530460, 132707280, 199060920, 398121840]

約数ペア:

[(1, 398121840), (2, 199060920), (3, 132707280), (4, 99530460), (5, 79624368), (6, 66353640), (8, 49765230), (9, 44235760), (10, 39812184), (12, 33176820), (15, 26541456), (16, 24882615), (18, 22117880), (20, 19906092), (24, 16588410), (30, 13270728), (31, 12842640), (36, 11058940), (40, 9953046), (45, 8847152), (48, 8294205), (60, 6635364), (62, 6421320), (72, 5529470), (80, 4976523), (90, 4423576), (93, 4280880), (120, 3317682), (124, 3210660), (144, 2764735), (155, 2568528), (180, 2211788), (186, 2140440), (240, 1658841), (248, 1605330), (279, 1426960), (310, 1284264), (360, 1105894), (372, 1070220), (465, 856176), (496, 802665), (558, 713480), (620, 642132), (720, 552947), (744, 535110), (930, 428088), (1116, 356740), (1240, 321066), (1395, 285392), (1488, 267555), (1860, 214044), (2232, 178370), (2480, 160533), (2790, 142696), (3720, 107022), (4464, 89185), (5580, 71348), (7440, 53511), (11160, 35674), (17837, 22320)]