81654930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 259504128

約数和(自身を除く): 177849198

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 37, 42, 45, 62, 63, 70, 74, 90, 93, 105, 111, 113, 126, 155, 185, 186, 210, 217, 222, 226, 259, 279, 310, 315, 333, 339, 370, 434, 465, 518, 555, 558, 565, 630, 651, 666, 678, 777, 791, 930, 1017, 1085, 1110, 1130, 1147, 1295, 1302, 1395, 1554, 1582, 1665, 1695, 1953, 2034, 2170, 2294, 2331, 2373, 2590, 2790, 3255, 3330, 3390, 3441, 3503, 3885, 3906, 3955, 4181, 4662, 4746, 5085, 5735, 6510, 6882, 7006, 7119, 7770, 7910, 8029, 8362, 9765, 10170, 10323, 10509, 11470, 11655, 11865, 12543, 14238, 16058, 17205, 17515, 19530, 20646, 20905, 21018, 23310, 23730, 24087, 24521, 25086, 29267, 31527, 34410, 35030, 35595, 37629, 40145, 41810, 48174, 49042, 51615, 52545, 58534, 62715, 63054, 71190, 72261, 73563, 75258, 80290, 87801, 103230, 105090, 120435, 122605, 125430, 129611, 144522, 146335, 147126, 157635, 175602, 188145, 220689, 240870, 245210, 259222, 263403, 292670, 315270, 361305, 367815, 376290, 388833, 439005, 441378, 526806, 648055, 722610, 735630, 777666, 878010, 907277, 1103445, 1166499, 1296110, 1317015, 1814554, 1944165, 2206890, 2332998, 2634030, 2721831, 3888330, 4536385, 5443662, 5832495, 8165493, 9072770, 11664990, 13609155, 16330986, 27218310, 40827465, 81654930]

約数ペア:

[(1, 81654930), (2, 40827465), (3, 27218310), (5, 16330986), (6, 13609155), (7, 11664990), (9, 9072770), (10, 8165493), (14, 5832495), (15, 5443662), (18, 4536385), (21, 3888330), (30, 2721831), (31, 2634030), (35, 2332998), (37, 2206890), (42, 1944165), (45, 1814554), (62, 1317015), (63, 1296110), (70, 1166499), (74, 1103445), (90, 907277), (93, 878010), (105, 777666), (111, 735630), (113, 722610), (126, 648055), (155, 526806), (185, 441378), (186, 439005), (210, 388833), (217, 376290), (222, 367815), (226, 361305), (259, 315270), (279, 292670), (310, 263403), (315, 259222), (333, 245210), (339, 240870), (370, 220689), (434, 188145), (465, 175602), (518, 157635), (555, 147126), (558, 146335), (565, 144522), (630, 129611), (651, 125430), (666, 122605), (678, 120435), (777, 105090), (791, 103230), (930, 87801), (1017, 80290), (1085, 75258), (1110, 73563), (1130, 72261), (1147, 71190), (1295, 63054), (1302, 62715), (1395, 58534), (1554, 52545), (1582, 51615), (1665, 49042), (1695, 48174), (1953, 41810), (2034, 40145), (2170, 37629), (2294, 35595), (2331, 35030), (2373, 34410), (2590, 31527), (2790, 29267), (3255, 25086), (3330, 24521), (3390, 24087), (3441, 23730), (3503, 23310), (3885, 21018), (3906, 20905), (3955, 20646), (4181, 19530), (4662, 17515), (4746, 17205), (5085, 16058), (5735, 14238), (6510, 12543), (6882, 11865), (7006, 11655), (7119, 11470), (7770, 10509), (7910, 10323), (8029, 10170), (8362, 9765)]