71172640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 192

約数和(自身を含む): 215550720

約数和(自身を除く): 144378080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 53, 55, 56, 70, 77, 80, 88, 106, 109, 110, 112, 140, 154, 160, 176, 212, 218, 220, 224, 265, 280, 308, 352, 371, 385, 424, 436, 440, 530, 545, 560, 583, 616, 742, 763, 770, 848, 872, 880, 1060, 1090, 1120, 1166, 1199, 1232, 1484, 1526, 1540, 1696, 1744, 1760, 1855, 2120, 2180, 2332, 2398, 2464, 2915, 2968, 3052, 3080, 3488, 3710, 3815, 4081, 4240, 4360, 4664, 4796, 5777, 5830, 5936, 5995, 6104, 6160, 7420, 7630, 8162, 8393, 8480, 8720, 9328, 9592, 11554, 11660, 11872, 11990, 12208, 12320, 14840, 15260, 16324, 16786, 17440, 18656, 19184, 20405, 23108, 23320, 23980, 24416, 28885, 29680, 30520, 32648, 33572, 38368, 40439, 40810, 41965, 46216, 46640, 47960, 57770, 59360, 61040, 63547, 65296, 67144, 80878, 81620, 83930, 92432, 93280, 95920, 115540, 122080, 127094, 130592, 134288, 161756, 163240, 167860, 184864, 191840, 202195, 231080, 254188, 268576, 317735, 323512, 326480, 335720, 404390, 444829, 462160, 508376, 635470, 647024, 652960, 671440, 808780, 889658, 924320, 1016752, 1270940, 1294048, 1342880, 1617560, 1779316, 2033504, 2224145, 2541880, 3235120, 3558632, 4448290, 5083760, 6470240, 7117264, 8896580, 10167520, 14234528, 17793160, 35586320, 71172640]

約数ペア:

[(1, 71172640), (2, 35586320), (4, 17793160), (5, 14234528), (7, 10167520), (8, 8896580), (10, 7117264), (11, 6470240), (14, 5083760), (16, 4448290), (20, 3558632), (22, 3235120), (28, 2541880), (32, 2224145), (35, 2033504), (40, 1779316), (44, 1617560), (53, 1342880), (55, 1294048), (56, 1270940), (70, 1016752), (77, 924320), (80, 889658), (88, 808780), (106, 671440), (109, 652960), (110, 647024), (112, 635470), (140, 508376), (154, 462160), (160, 444829), (176, 404390), (212, 335720), (218, 326480), (220, 323512), (224, 317735), (265, 268576), (280, 254188), (308, 231080), (352, 202195), (371, 191840), (385, 184864), (424, 167860), (436, 163240), (440, 161756), (530, 134288), (545, 130592), (560, 127094), (583, 122080), (616, 115540), (742, 95920), (763, 93280), (770, 92432), (848, 83930), (872, 81620), (880, 80878), (1060, 67144), (1090, 65296), (1120, 63547), (1166, 61040), (1199, 59360), (1232, 57770), (1484, 47960), (1526, 46640), (1540, 46216), (1696, 41965), (1744, 40810), (1760, 40439), (1855, 38368), (2120, 33572), (2180, 32648), (2332, 30520), (2398, 29680), (2464, 28885), (2915, 24416), (2968, 23980), (3052, 23320), (3080, 23108), (3488, 20405), (3710, 19184), (3815, 18656), (4081, 17440), (4240, 16786), (4360, 16324), (4664, 15260), (4796, 14840), (5777, 12320), (5830, 12208), (5936, 11990), (5995, 11872), (6104, 11660), (6160, 11554), (7420, 9592), (7630, 9328), (8162, 8720), (8393, 8480)]