81153660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 192

約数和(自身を含む): 280756224

約数和(自身を除く): 199602564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 31, 35, 42, 46, 60, 62, 69, 70, 84, 92, 93, 105, 115, 124, 138, 140, 155, 161, 186, 210, 217, 230, 271, 276, 310, 322, 345, 372, 420, 434, 460, 465, 483, 542, 620, 644, 651, 690, 713, 805, 813, 868, 930, 966, 1084, 1085, 1302, 1355, 1380, 1426, 1610, 1626, 1860, 1897, 1932, 2139, 2170, 2415, 2604, 2710, 2852, 3220, 3252, 3255, 3565, 3794, 4065, 4278, 4340, 4830, 4991, 5420, 5691, 6233, 6510, 7130, 7588, 8130, 8401, 8556, 9485, 9660, 9982, 10695, 11382, 12466, 13020, 14260, 14973, 16260, 16802, 18699, 18970, 19964, 21390, 22764, 24932, 24955, 25203, 28455, 29946, 31165, 33604, 37398, 37940, 42005, 42780, 43631, 49910, 50406, 56910, 58807, 59892, 62330, 74796, 74865, 84010, 87262, 93495, 99820, 100812, 113820, 117614, 124660, 126015, 130893, 149730, 168020, 174524, 176421, 186990, 193223, 218155, 235228, 252030, 261786, 294035, 299460, 352842, 373980, 386446, 436310, 504060, 523572, 579669, 588070, 654465, 705684, 772892, 872620, 882105, 966115, 1159338, 1176140, 1308930, 1352561, 1764210, 1932230, 2318676, 2617860, 2705122, 2898345, 3528420, 3864460, 4057683, 5410244, 5796690, 6762805, 8115366, 11593380, 13525610, 16230732, 20288415, 27051220, 40576830, 81153660]

約数ペア:

[(1, 81153660), (2, 40576830), (3, 27051220), (4, 20288415), (5, 16230732), (6, 13525610), (7, 11593380), (10, 8115366), (12, 6762805), (14, 5796690), (15, 5410244), (20, 4057683), (21, 3864460), (23, 3528420), (28, 2898345), (30, 2705122), (31, 2617860), (35, 2318676), (42, 1932230), (46, 1764210), (60, 1352561), (62, 1308930), (69, 1176140), (70, 1159338), (84, 966115), (92, 882105), (93, 872620), (105, 772892), (115, 705684), (124, 654465), (138, 588070), (140, 579669), (155, 523572), (161, 504060), (186, 436310), (210, 386446), (217, 373980), (230, 352842), (271, 299460), (276, 294035), (310, 261786), (322, 252030), (345, 235228), (372, 218155), (420, 193223), (434, 186990), (460, 176421), (465, 174524), (483, 168020), (542, 149730), (620, 130893), (644, 126015), (651, 124660), (690, 117614), (713, 113820), (805, 100812), (813, 99820), (868, 93495), (930, 87262), (966, 84010), (1084, 74865), (1085, 74796), (1302, 62330), (1355, 59892), (1380, 58807), (1426, 56910), (1610, 50406), (1626, 49910), (1860, 43631), (1897, 42780), (1932, 42005), (2139, 37940), (2170, 37398), (2415, 33604), (2604, 31165), (2710, 29946), (2852, 28455), (3220, 25203), (3252, 24955), (3255, 24932), (3565, 22764), (3794, 21390), (4065, 19964), (4278, 18970), (4340, 18699), (4830, 16802), (4991, 16260), (5420, 14973), (5691, 14260), (6233, 13020), (6510, 12466), (7130, 11382), (7588, 10695), (8130, 9982), (8401, 9660), (8556, 9485)]