1240787240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:784

約数の個数: 192

約数和(自身を含む): 3578359680

約数和(自身を除く): 2337572440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 88, 106, 110, 121, 140, 154, 212, 220, 242, 265, 280, 308, 371, 385, 424, 440, 484, 530, 583, 605, 616, 691, 742, 770, 847, 968, 1060, 1166, 1210, 1382, 1484, 1540, 1694, 1855, 2120, 2332, 2420, 2764, 2915, 2968, 3080, 3388, 3455, 3710, 4081, 4235, 4664, 4837, 4840, 5528, 5830, 6413, 6776, 6910, 7420, 7601, 8162, 8470, 9674, 11660, 12826, 13820, 14840, 15202, 16324, 16940, 19348, 20405, 23320, 24185, 25652, 27640, 30404, 32065, 32648, 33880, 36623, 38005, 38696, 40810, 44891, 48370, 51304, 53207, 60808, 64130, 73246, 76010, 81620, 83611, 89782, 96740, 106414, 128260, 146492, 152020, 163240, 167222, 179564, 183115, 193480, 212828, 224455, 256361, 256520, 266035, 292984, 304040, 334444, 359128, 366230, 402853, 418055, 425656, 448910, 512722, 532070, 585277, 668888, 732460, 805706, 836110, 897820, 1025444, 1064140, 1170554, 1281805, 1464920, 1611412, 1672220, 1795640, 2014265, 2050888, 2128280, 2341108, 2563610, 2819971, 2926385, 3222824, 3344440, 4028530, 4431383, 4682216, 5127220, 5639942, 5852770, 8057060, 8862766, 10254440, 11279884, 11705540, 14099855, 16114120, 17725532, 22156915, 22559768, 23411080, 28199710, 31019681, 35451064, 44313830, 56399420, 62039362, 88627660, 112798840, 124078724, 155098405, 177255320, 248157448, 310196810, 620393620, 1240787240]

約数ペア:

[(1, 1240787240), (2, 620393620), (4, 310196810), (5, 248157448), (7, 177255320), (8, 155098405), (10, 124078724), (11, 112798840), (14, 88627660), (20, 62039362), (22, 56399420), (28, 44313830), (35, 35451064), (40, 31019681), (44, 28199710), (53, 23411080), (55, 22559768), (56, 22156915), (70, 17725532), (77, 16114120), (88, 14099855), (106, 11705540), (110, 11279884), (121, 10254440), (140, 8862766), (154, 8057060), (212, 5852770), (220, 5639942), (242, 5127220), (265, 4682216), (280, 4431383), (308, 4028530), (371, 3344440), (385, 3222824), (424, 2926385), (440, 2819971), (484, 2563610), (530, 2341108), (583, 2128280), (605, 2050888), (616, 2014265), (691, 1795640), (742, 1672220), (770, 1611412), (847, 1464920), (968, 1281805), (1060, 1170554), (1166, 1064140), (1210, 1025444), (1382, 897820), (1484, 836110), (1540, 805706), (1694, 732460), (1855, 668888), (2120, 585277), (2332, 532070), (2420, 512722), (2764, 448910), (2915, 425656), (2968, 418055), (3080, 402853), (3388, 366230), (3455, 359128), (3710, 334444), (4081, 304040), (4235, 292984), (4664, 266035), (4837, 256520), (4840, 256361), (5528, 224455), (5830, 212828), (6413, 193480), (6776, 183115), (6910, 179564), (7420, 167222), (7601, 163240), (8162, 152020), (8470, 146492), (9674, 128260), (11660, 106414), (12826, 96740), (13820, 89782), (14840, 83611), (15202, 81620), (16324, 76010), (16940, 73246), (19348, 64130), (20405, 60808), (23320, 53207), (24185, 51304), (25652, 48370), (27640, 44891), (30404, 40810), (32065, 38696), (32648, 38005), (33880, 36623)]