81264330

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 256

約数和(自身を含む): 272793600

約数和(自身を除く): 191529270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 31, 35, 38, 42, 45, 54, 57, 62, 63, 70, 73, 90, 93, 95, 105, 114, 126, 133, 135, 146, 155, 171, 186, 189, 190, 210, 217, 219, 266, 270, 279, 285, 310, 315, 342, 365, 378, 399, 434, 438, 465, 511, 513, 558, 570, 589, 630, 651, 657, 665, 730, 798, 837, 855, 930, 945, 1022, 1026, 1085, 1095, 1178, 1197, 1302, 1314, 1330, 1387, 1395, 1533, 1674, 1710, 1767, 1890, 1953, 1971, 1995, 2170, 2190, 2263, 2394, 2555, 2565, 2774, 2790, 2945, 3066, 3255, 3285, 3534, 3591, 3906, 3942, 3990, 4123, 4161, 4185, 4526, 4599, 5110, 5130, 5301, 5859, 5890, 5985, 6510, 6570, 6789, 6935, 7182, 7665, 8246, 8322, 8370, 8835, 9198, 9709, 9765, 9855, 10602, 11315, 11718, 11970, 12369, 12483, 13578, 13797, 13870, 15330, 15841, 15903, 17670, 17955, 19418, 19530, 19710, 20367, 20615, 20805, 22630, 22995, 24738, 24966, 26505, 27594, 29127, 29295, 31682, 31806, 33945, 35910, 37107, 37449, 40734, 41230, 41610, 42997, 45990, 47523, 48545, 53010, 58254, 58590, 61101, 61845, 62415, 67890, 68985, 74214, 74898, 79205, 79515, 85994, 87381, 95046, 97090, 101835, 111321, 122202, 123690, 124830, 128991, 137970, 142569, 145635, 158410, 159030, 174762, 185535, 187245, 203670, 214985, 222642, 237615, 257982, 262143, 285138, 291270, 300979, 305505, 371070, 374490, 386973, 427707, 429970, 436905, 475230, 524286, 556605, 601958, 611010, 644955, 712845, 773946, 855414, 873810, 902937, 1113210, 1160919, 1289910, 1310715, 1425690, 1504895, 1805874, 1934865, 2138535, 2321838, 2621430, 2708811, 3009790, 3869730, 4277070, 4514685, 5417622, 5804595, 8126433, 9029370, 11609190, 13544055, 16252866, 27088110, 40632165, 81264330]

約数ペア:

[(1, 81264330), (2, 40632165), (3, 27088110), (5, 16252866), (6, 13544055), (7, 11609190), (9, 9029370), (10, 8126433), (14, 5804595), (15, 5417622), (18, 4514685), (19, 4277070), (21, 3869730), (27, 3009790), (30, 2708811), (31, 2621430), (35, 2321838), (38, 2138535), (42, 1934865), (45, 1805874), (54, 1504895), (57, 1425690), (62, 1310715), (63, 1289910), (70, 1160919), (73, 1113210), (90, 902937), (93, 873810), (95, 855414), (105, 773946), (114, 712845), (126, 644955), (133, 611010), (135, 601958), (146, 556605), (155, 524286), (171, 475230), (186, 436905), (189, 429970), (190, 427707), (210, 386973), (217, 374490), (219, 371070), (266, 305505), (270, 300979), (279, 291270), (285, 285138), (310, 262143), (315, 257982), (342, 237615), (365, 222642), (378, 214985), (399, 203670), (434, 187245), (438, 185535), (465, 174762), (511, 159030), (513, 158410), (558, 145635), (570, 142569), (589, 137970), (630, 128991), (651, 124830), (657, 123690), (665, 122202), (730, 111321), (798, 101835), (837, 97090), (855, 95046), (930, 87381), (945, 85994), (1022, 79515), (1026, 79205), (1085, 74898), (1095, 74214), (1178, 68985), (1197, 67890), (1302, 62415), (1314, 61845), (1330, 61101), (1387, 58590), (1395, 58254), (1533, 53010), (1674, 48545), (1710, 47523), (1767, 45990), (1890, 42997), (1953, 41610), (1971, 41230), (1995, 40734), (2170, 37449), (2190, 37107), (2263, 35910), (2394, 33945), (2555, 31806), (2565, 31682), (2774, 29295), (2790, 29127), (2945, 27594), (3066, 26505), (3255, 24966), (3285, 24738), (3534, 22995), (3591, 22630), (3906, 20805), (3942, 20615), (3990, 20367), (4123, 19710), (4161, 19530), (4185, 19418), (4526, 17955), (4599, 17670), (5110, 15903), (5130, 15841), (5301, 15330), (5859, 13870), (5890, 13797), (5985, 13578), (6510, 12483), (6570, 12369), (6789, 11970), (6935, 11718), (7182, 11315), (7665, 10602), (8246, 9855), (8322, 9765), (8370, 9709), (8835, 9198)]