7281381680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1915

約数の個数: 120

約数和(自身を含む): 17832961296

約数和(自身を除く): 10551579616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 961, 1060, 1240, 1643, 1787, 1922, 2120, 2480, 3286, 3574, 3844, 4240, 4805, 6572, 7148, 7688, 8215, 8935, 9610, 13144, 14296, 15376, 16430, 17870, 19220, 26288, 28592, 32860, 35740, 38440, 50933, 55397, 65720, 71480, 76880, 94711, 101866, 110794, 131440, 142960, 189422, 203732, 221588, 254665, 276985, 378844, 407464, 443176, 473555, 509330, 553970, 757688, 814928, 886352, 947110, 1018660, 1107940, 1515376, 1717307, 1894220, 2037320, 2215880, 2936041, 3434614, 3788440, 4074640, 4431760, 5872082, 6869228, 7576880, 8586535, 11744164, 13738456, 14680205, 17173070, 23488328, 27476912, 29360410, 34346140, 46976656, 58720820, 68692280, 91017271, 117441640, 137384560, 182034542, 234883280, 364069084, 455086355, 728138168, 910172710, 1456276336, 1820345420, 3640690840, 7281381680]

約数ペア:

[(1, 7281381680), (2, 3640690840), (4, 1820345420), (5, 1456276336), (8, 910172710), (10, 728138168), (16, 455086355), (20, 364069084), (31, 234883280), (40, 182034542), (53, 137384560), (62, 117441640), (80, 91017271), (106, 68692280), (124, 58720820), (155, 46976656), (212, 34346140), (248, 29360410), (265, 27476912), (310, 23488328), (424, 17173070), (496, 14680205), (530, 13738456), (620, 11744164), (848, 8586535), (961, 7576880), (1060, 6869228), (1240, 5872082), (1643, 4431760), (1787, 4074640), (1922, 3788440), (2120, 3434614), (2480, 2936041), (3286, 2215880), (3574, 2037320), (3844, 1894220), (4240, 1717307), (4805, 1515376), (6572, 1107940), (7148, 1018660), (7688, 947110), (8215, 886352), (8935, 814928), (9610, 757688), (13144, 553970), (14296, 509330), (15376, 473555), (16430, 443176), (17870, 407464), (19220, 378844), (26288, 276985), (28592, 254665), (32860, 221588), (35740, 203732), (38440, 189422), (50933, 142960), (55397, 131440), (65720, 110794), (71480, 101866), (76880, 94711)]