51881760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{5147}}^1$

素因数の和:5175

約数の個数: 144

約数和(自身を含む): 202378176

約数和(自身を除く): 150496416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 5147, 10080, 10294, 15441, 20588, 25735, 30882, 36029, 41176, 46323, 51470, 61764, 72058, 77205, 82352, 92646, 102940, 108087, 123528, 144116, 154410, 164704, 180145, 185292, 205880, 216174, 231615, 247056, 288232, 308820, 324261, 360290, 370584, 411760, 432348, 463230, 494112, 540435, 576464, 617640, 648522, 720580, 741168, 823520, 864696, 926460, 1080870, 1152928, 1235280, 1297044, 1441160, 1482336, 1621305, 1729392, 1852920, 2161740, 2470560, 2594088, 2882320, 3242610, 3458784, 3705840, 4323480, 5188176, 5764640, 6485220, 7411680, 8646960, 10376352, 12970440, 17293920, 25940880, 51881760]

約数ペア:

[(1, 51881760), (2, 25940880), (3, 17293920), (4, 12970440), (5, 10376352), (6, 8646960), (7, 7411680), (8, 6485220), (9, 5764640), (10, 5188176), (12, 4323480), (14, 3705840), (15, 3458784), (16, 3242610), (18, 2882320), (20, 2594088), (21, 2470560), (24, 2161740), (28, 1852920), (30, 1729392), (32, 1621305), (35, 1482336), (36, 1441160), (40, 1297044), (42, 1235280), (45, 1152928), (48, 1080870), (56, 926460), (60, 864696), (63, 823520), (70, 741168), (72, 720580), (80, 648522), (84, 617640), (90, 576464), (96, 540435), (105, 494112), (112, 463230), (120, 432348), (126, 411760), (140, 370584), (144, 360290), (160, 324261), (168, 308820), (180, 288232), (210, 247056), (224, 231615), (240, 216174), (252, 205880), (280, 185292), (288, 180145), (315, 164704), (336, 154410), (360, 144116), (420, 123528), (480, 108087), (504, 102940), (560, 92646), (630, 82352), (672, 77205), (720, 72058), (840, 61764), (1008, 51470), (1120, 46323), (1260, 41176), (1440, 36029), (1680, 30882), (2016, 25735), (2520, 20588), (3360, 15441), (5040, 10294), (5147, 10080)]