81781968

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 239127552

約数和(自身を除く): 157345584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 53, 61, 62, 68, 93, 102, 106, 122, 124, 136, 159, 183, 186, 204, 212, 244, 248, 272, 318, 366, 372, 408, 424, 488, 496, 527, 636, 732, 744, 816, 848, 901, 976, 1037, 1054, 1272, 1464, 1488, 1581, 1643, 1802, 1891, 2074, 2108, 2544, 2703, 2928, 3111, 3162, 3233, 3286, 3604, 3782, 4148, 4216, 4929, 5406, 5673, 6222, 6324, 6466, 6572, 7208, 7564, 8296, 8432, 9699, 9858, 10812, 11346, 12444, 12648, 12932, 13144, 14416, 15128, 16592, 19398, 19716, 21624, 22692, 24888, 25296, 25864, 26288, 27931, 30256, 32147, 38796, 39432, 43248, 45384, 49776, 51728, 54961, 55862, 64294, 77592, 78864, 83793, 90768, 96441, 100223, 109922, 111724, 128588, 155184, 164883, 167586, 192882, 200446, 219844, 223448, 257176, 300669, 329766, 335172, 385764, 400892, 439688, 446896, 514352, 601338, 659532, 670344, 771528, 801784, 879376, 1202676, 1319064, 1340688, 1543056, 1603568, 1703791, 2405352, 2638128, 3407582, 4810704, 5111373, 6815164, 10222746, 13630328, 20445492, 27260656, 40890984, 81781968]

約数ペア:

[(1, 81781968), (2, 40890984), (3, 27260656), (4, 20445492), (6, 13630328), (8, 10222746), (12, 6815164), (16, 5111373), (17, 4810704), (24, 3407582), (31, 2638128), (34, 2405352), (48, 1703791), (51, 1603568), (53, 1543056), (61, 1340688), (62, 1319064), (68, 1202676), (93, 879376), (102, 801784), (106, 771528), (122, 670344), (124, 659532), (136, 601338), (159, 514352), (183, 446896), (186, 439688), (204, 400892), (212, 385764), (244, 335172), (248, 329766), (272, 300669), (318, 257176), (366, 223448), (372, 219844), (408, 200446), (424, 192882), (488, 167586), (496, 164883), (527, 155184), (636, 128588), (732, 111724), (744, 109922), (816, 100223), (848, 96441), (901, 90768), (976, 83793), (1037, 78864), (1054, 77592), (1272, 64294), (1464, 55862), (1488, 54961), (1581, 51728), (1643, 49776), (1802, 45384), (1891, 43248), (2074, 39432), (2108, 38796), (2544, 32147), (2703, 30256), (2928, 27931), (3111, 26288), (3162, 25864), (3233, 25296), (3286, 24888), (3604, 22692), (3782, 21624), (4148, 19716), (4216, 19398), (4929, 16592), (5406, 15128), (5673, 14416), (6222, 13144), (6324, 12932), (6466, 12648), (6572, 12444), (7208, 11346), (7564, 10812), (8296, 9858), (8432, 9699)]