495270880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7740

約数の個数: 96

約数和(自身を含む): 1300900608

約数和(自身を除く): 805629728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3224, 4030, 4960, 6448, 7681, 8060, 12896, 15362, 16120, 30724, 32240, 38405, 61448, 64480, 76810, 99853, 122896, 153620, 199706, 238111, 245792, 307240, 399412, 476222, 499265, 614480, 798824, 952444, 998530, 1190555, 1228960, 1597648, 1904888, 1997060, 2381110, 3095443, 3195296, 3809776, 3994120, 4762220, 6190886, 7619552, 7988240, 9524440, 12381772, 15477215, 15976480, 19048880, 24763544, 30954430, 38097760, 49527088, 61908860, 99054176, 123817720, 247635440, 495270880]

約数ペア:

[(1, 495270880), (2, 247635440), (4, 123817720), (5, 99054176), (8, 61908860), (10, 49527088), (13, 38097760), (16, 30954430), (20, 24763544), (26, 19048880), (31, 15976480), (32, 15477215), (40, 12381772), (52, 9524440), (62, 7988240), (65, 7619552), (80, 6190886), (104, 4762220), (124, 3994120), (130, 3809776), (155, 3195296), (160, 3095443), (208, 2381110), (248, 1997060), (260, 1904888), (310, 1597648), (403, 1228960), (416, 1190555), (496, 998530), (520, 952444), (620, 798824), (806, 614480), (992, 499265), (1040, 476222), (1240, 399412), (1612, 307240), (2015, 245792), (2080, 238111), (2480, 199706), (3224, 153620), (4030, 122896), (4960, 99853), (6448, 76810), (7681, 64480), (8060, 61448), (12896, 38405), (15362, 32240), (16120, 30724)]