81314604

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 278853120

約数和(自身を除く): 197538516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 27, 28, 34, 36, 37, 38, 42, 51, 54, 57, 63, 68, 74, 76, 81, 84, 102, 108, 111, 114, 119, 126, 133, 148, 153, 162, 171, 189, 204, 222, 228, 238, 243, 252, 259, 266, 306, 323, 324, 333, 342, 357, 378, 399, 444, 459, 476, 486, 513, 518, 532, 567, 612, 629, 646, 666, 684, 703, 714, 756, 777, 798, 918, 969, 972, 999, 1026, 1036, 1071, 1134, 1197, 1258, 1292, 1332, 1377, 1406, 1428, 1539, 1554, 1596, 1701, 1836, 1887, 1938, 1998, 2052, 2109, 2142, 2261, 2268, 2331, 2394, 2516, 2754, 2812, 2907, 2997, 3078, 3108, 3213, 3402, 3591, 3774, 3876, 3996, 4131, 4218, 4284, 4403, 4522, 4617, 4662, 4788, 4921, 5508, 5661, 5814, 5994, 6156, 6327, 6426, 6783, 6804, 6993, 7182, 7548, 8262, 8436, 8721, 8806, 8991, 9044, 9234, 9324, 9639, 9842, 10773, 11322, 11628, 11951, 11988, 12654, 12852, 13209, 13566, 13986, 14364, 14763, 16524, 16983, 17442, 17612, 17982, 18468, 18981, 19278, 19684, 20349, 20979, 21546, 22644, 23902, 25308, 26163, 26418, 27132, 27972, 28917, 29526, 32319, 33966, 34884, 35853, 35964, 37962, 38556, 39627, 40698, 41958, 43092, 44289, 47804, 50949, 52326, 52836, 56943, 57834, 59052, 61047, 62937, 64638, 67932, 71706, 75924, 78489, 79254, 81396, 83657, 83916, 88578, 101898, 104652, 107559, 113886, 115668, 118881, 122094, 125874, 129276, 132867, 143412, 152847, 156978, 158508, 167314, 170829, 177156, 183141, 203796, 215118, 227772, 237762, 244188, 250971, 251748, 265734, 305694, 313956, 322677, 334628, 341658, 356643, 366282, 398601, 430236, 475524, 501942, 531468, 549423, 611388, 645354, 683316, 713286, 732564, 752913, 797202, 968031, 1003884, 1069929, 1098846, 1195803, 1290708, 1426572, 1505826, 1594404, 1936062, 2139858, 2197692, 2258739, 2391606, 2904093, 3011652, 3872124, 4279716, 4517478, 4783212, 5808186, 6776217, 9034956, 11616372, 13552434, 20328651, 27104868, 40657302, 81314604]

約数ペア:

[(1, 81314604), (2, 40657302), (3, 27104868), (4, 20328651), (6, 13552434), (7, 11616372), (9, 9034956), (12, 6776217), (14, 5808186), (17, 4783212), (18, 4517478), (19, 4279716), (21, 3872124), (27, 3011652), (28, 2904093), (34, 2391606), (36, 2258739), (37, 2197692), (38, 2139858), (42, 1936062), (51, 1594404), (54, 1505826), (57, 1426572), (63, 1290708), (68, 1195803), (74, 1098846), (76, 1069929), (81, 1003884), (84, 968031), (102, 797202), (108, 752913), (111, 732564), (114, 713286), (119, 683316), (126, 645354), (133, 611388), (148, 549423), (153, 531468), (162, 501942), (171, 475524), (189, 430236), (204, 398601), (222, 366282), (228, 356643), (238, 341658), (243, 334628), (252, 322677), (259, 313956), (266, 305694), (306, 265734), (323, 251748), (324, 250971), (333, 244188), (342, 237762), (357, 227772), (378, 215118), (399, 203796), (444, 183141), (459, 177156), (476, 170829), (486, 167314), (513, 158508), (518, 156978), (532, 152847), (567, 143412), (612, 132867), (629, 129276), (646, 125874), (666, 122094), (684, 118881), (703, 115668), (714, 113886), (756, 107559), (777, 104652), (798, 101898), (918, 88578), (969, 83916), (972, 83657), (999, 81396), (1026, 79254), (1036, 78489), (1071, 75924), (1134, 71706), (1197, 67932), (1258, 64638), (1292, 62937), (1332, 61047), (1377, 59052), (1406, 57834), (1428, 56943), (1539, 52836), (1554, 52326), (1596, 50949), (1701, 47804), (1836, 44289), (1887, 43092), (1938, 41958), (1998, 40698), (2052, 39627), (2109, 38556), (2142, 37962), (2261, 35964), (2268, 35853), (2331, 34884), (2394, 33966), (2516, 32319), (2754, 29526), (2812, 28917), (2907, 27972), (2997, 27132), (3078, 26418), (3108, 26163), (3213, 25308), (3402, 23902), (3591, 22644), (3774, 21546), (3876, 20979), (3996, 20349), (4131, 19684), (4218, 19278), (4284, 18981), (4403, 18468), (4522, 17982), (4617, 17612), (4662, 17442), (4788, 16983), (4921, 16524), (5508, 14763), (5661, 14364), (5814, 13986), (5994, 13566), (6156, 13209), (6327, 12852), (6426, 12654), (6783, 11988), (6804, 11951), (6993, 11628), (7182, 11322), (7548, 10773), (8262, 9842), (8436, 9639), (8721, 9324), (8806, 9234), (8991, 9044)]