81720216

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 251596800

約数和(自身を除く): 169876584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 41, 47, 57, 62, 72, 76, 82, 93, 94, 114, 123, 124, 141, 152, 164, 171, 186, 188, 228, 246, 248, 279, 282, 328, 342, 369, 372, 376, 423, 456, 492, 558, 564, 589, 684, 738, 744, 779, 846, 893, 984, 1116, 1128, 1178, 1271, 1368, 1457, 1476, 1558, 1692, 1767, 1786, 1927, 2232, 2337, 2356, 2542, 2679, 2914, 2952, 3116, 3384, 3534, 3572, 3813, 3854, 4371, 4674, 4712, 5084, 5301, 5358, 5781, 5828, 6232, 7011, 7068, 7144, 7626, 7708, 8037, 8742, 9348, 10168, 10602, 10716, 11439, 11562, 11656, 13113, 14022, 14136, 15252, 15416, 16074, 17343, 17484, 18696, 21204, 21432, 22878, 23124, 24149, 26226, 27683, 28044, 30504, 32148, 34686, 34968, 36613, 42408, 45756, 46248, 48298, 52452, 55366, 56088, 59737, 64296, 69372, 72447, 73226, 83049, 91512, 96596, 104904, 109839, 110732, 119474, 138744, 144894, 146452, 166098, 179211, 193192, 217341, 219678, 221464, 238948, 249147, 289788, 292904, 329517, 332196, 358422, 434682, 439356, 477896, 498294, 537633, 579576, 659034, 664392, 716844, 869364, 878712, 996588, 1075266, 1135003, 1318068, 1433688, 1738728, 1993176, 2150532, 2270006, 2636136, 3405009, 4301064, 4540012, 6810018, 9080024, 10215027, 13620036, 20430054, 27240072, 40860108, 81720216]

約数ペア:

[(1, 81720216), (2, 40860108), (3, 27240072), (4, 20430054), (6, 13620036), (8, 10215027), (9, 9080024), (12, 6810018), (18, 4540012), (19, 4301064), (24, 3405009), (31, 2636136), (36, 2270006), (38, 2150532), (41, 1993176), (47, 1738728), (57, 1433688), (62, 1318068), (72, 1135003), (76, 1075266), (82, 996588), (93, 878712), (94, 869364), (114, 716844), (123, 664392), (124, 659034), (141, 579576), (152, 537633), (164, 498294), (171, 477896), (186, 439356), (188, 434682), (228, 358422), (246, 332196), (248, 329517), (279, 292904), (282, 289788), (328, 249147), (342, 238948), (369, 221464), (372, 219678), (376, 217341), (423, 193192), (456, 179211), (492, 166098), (558, 146452), (564, 144894), (589, 138744), (684, 119474), (738, 110732), (744, 109839), (779, 104904), (846, 96596), (893, 91512), (984, 83049), (1116, 73226), (1128, 72447), (1178, 69372), (1271, 64296), (1368, 59737), (1457, 56088), (1476, 55366), (1558, 52452), (1692, 48298), (1767, 46248), (1786, 45756), (1927, 42408), (2232, 36613), (2337, 34968), (2356, 34686), (2542, 32148), (2679, 30504), (2914, 28044), (2952, 27683), (3116, 26226), (3384, 24149), (3534, 23124), (3572, 22878), (3813, 21432), (3854, 21204), (4371, 18696), (4674, 17484), (4712, 17343), (5084, 16074), (5301, 15416), (5358, 15252), (5781, 14136), (5828, 14022), (6232, 13113), (7011, 11656), (7068, 11562), (7144, 11439), (7626, 10716), (7708, 10602), (8037, 10168), (8742, 9348)]