20774420240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1514

約数の個数: 240

約数和(自身を含む): 59772125232

約数和(自身を除く): 38997704992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 257, 272, 280, 340, 392, 476, 490, 514, 560, 595, 680, 784, 833, 952, 980, 1028, 1190, 1213, 1285, 1360, 1666, 1799, 1904, 1960, 2056, 2380, 2426, 2570, 3332, 3598, 3920, 4112, 4165, 4369, 4760, 4852, 5140, 6065, 6664, 7196, 8330, 8491, 8738, 8995, 9520, 9704, 10280, 12130, 12593, 13328, 14392, 16660, 16982, 17476, 17990, 19408, 20560, 20621, 21845, 24260, 25186, 28784, 30583, 33320, 33964, 34952, 35980, 41242, 42455, 43690, 48520, 50372, 59437, 61166, 62965, 66640, 67928, 69904, 71960, 82484, 84910, 87380, 97040, 100744, 103105, 118874, 122332, 125930, 135856, 143920, 144347, 152915, 164968, 169820, 174760, 201488, 206210, 214081, 237748, 244664, 251860, 288694, 297185, 305830, 311741, 329936, 339640, 349520, 412420, 428162, 475496, 489328, 503720, 577388, 594370, 611660, 623482, 679280, 721735, 824840, 856324, 950992, 1007440, 1010429, 1070405, 1154776, 1188740, 1223320, 1246964, 1443470, 1558705, 1649680, 1712648, 2020858, 2140810, 2182187, 2309552, 2377480, 2446640, 2493928, 2886940, 3117410, 3425296, 4041716, 4281620, 4364374, 4754960, 4987856, 5052145, 5299597, 5773880, 6234820, 8083432, 8563240, 8728748, 10104290, 10599194, 10910935, 11547760, 12469640, 15275309, 16166864, 17126480, 17457496, 20208580, 21198388, 21821870, 24939280, 26497985, 30550618, 34914992, 37097179, 40417160, 42396776, 43643740, 52995970, 61101236, 74194358, 76376545, 80834320, 84793552, 87287480, 105991940, 122202472, 148388716, 152753090, 174574960, 185485895, 211983880, 244404944, 259680253, 296777432, 305506180, 370971790, 423967760, 519360506, 593554864, 611012360, 741943580, 1038721012, 1222024720, 1298401265, 1483887160, 2077442024, 2596802530, 2967774320, 4154884048, 5193605060, 10387210120, 20774420240]

約数ペア:

[(1, 20774420240), (2, 10387210120), (4, 5193605060), (5, 4154884048), (7, 2967774320), (8, 2596802530), (10, 2077442024), (14, 1483887160), (16, 1298401265), (17, 1222024720), (20, 1038721012), (28, 741943580), (34, 611012360), (35, 593554864), (40, 519360506), (49, 423967760), (56, 370971790), (68, 305506180), (70, 296777432), (80, 259680253), (85, 244404944), (98, 211983880), (112, 185485895), (119, 174574960), (136, 152753090), (140, 148388716), (170, 122202472), (196, 105991940), (238, 87287480), (245, 84793552), (257, 80834320), (272, 76376545), (280, 74194358), (340, 61101236), (392, 52995970), (476, 43643740), (490, 42396776), (514, 40417160), (560, 37097179), (595, 34914992), (680, 30550618), (784, 26497985), (833, 24939280), (952, 21821870), (980, 21198388), (1028, 20208580), (1190, 17457496), (1213, 17126480), (1285, 16166864), (1360, 15275309), (1666, 12469640), (1799, 11547760), (1904, 10910935), (1960, 10599194), (2056, 10104290), (2380, 8728748), (2426, 8563240), (2570, 8083432), (3332, 6234820), (3598, 5773880), (3920, 5299597), (4112, 5052145), (4165, 4987856), (4369, 4754960), (4760, 4364374), (4852, 4281620), (5140, 4041716), (6065, 3425296), (6664, 3117410), (7196, 2886940), (8330, 2493928), (8491, 2446640), (8738, 2377480), (8995, 2309552), (9520, 2182187), (9704, 2140810), (10280, 2020858), (12130, 1712648), (12593, 1649680), (13328, 1558705), (14392, 1443470), (16660, 1246964), (16982, 1223320), (17476, 1188740), (17990, 1154776), (19408, 1070405), (20560, 1010429), (20621, 1007440), (21845, 950992), (24260, 856324), (25186, 824840), (28784, 721735), (30583, 679280), (33320, 623482), (33964, 611660), (34952, 594370), (35980, 577388), (41242, 503720), (42455, 489328), (43690, 475496), (48520, 428162), (50372, 412420), (59437, 349520), (61166, 339640), (62965, 329936), (66640, 311741), (67928, 305830), (69904, 297185), (71960, 288694), (82484, 251860), (84910, 244664), (87380, 237748), (97040, 214081), (100744, 206210), (103105, 201488), (118874, 174760), (122332, 169820), (125930, 164968), (135856, 152915), (143920, 144347)]