81537750

素因数分解:

$2^1\times 3^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 261660672

約数和(自身を除く): 180122922

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 42, 45, 50, 62, 63, 70, 75, 90, 93, 105, 125, 126, 150, 155, 167, 175, 186, 210, 217, 225, 250, 279, 310, 315, 334, 350, 375, 434, 450, 465, 501, 525, 558, 630, 651, 750, 775, 835, 875, 930, 1002, 1050, 1085, 1125, 1169, 1302, 1395, 1503, 1550, 1575, 1670, 1750, 1953, 2170, 2250, 2325, 2338, 2505, 2625, 2790, 3006, 3150, 3255, 3507, 3875, 3906, 4175, 4650, 5010, 5177, 5250, 5425, 5845, 6510, 6975, 7014, 7515, 7750, 7875, 8350, 9765, 10354, 10521, 10850, 11625, 11690, 12525, 13950, 15030, 15531, 15750, 16275, 17535, 19530, 20875, 21042, 23250, 25050, 25885, 27125, 29225, 31062, 32550, 34875, 35070, 36239, 37575, 41750, 46593, 48825, 51770, 52605, 54250, 58450, 62625, 69750, 72478, 75150, 77655, 81375, 87675, 93186, 97650, 105210, 108717, 125250, 129425, 146125, 155310, 162750, 175350, 181195, 187875, 217434, 232965, 244125, 258850, 263025, 292250, 326151, 362390, 375750, 388275, 438375, 465930, 488250, 526050, 543585, 647125, 652302, 776550, 876750, 905975, 1087170, 1164825, 1294250, 1315125, 1630755, 1811950, 1941375, 2329650, 2630250, 2717925, 3261510, 3882750, 4529875, 5435850, 5824125, 8153775, 9059750, 11648250, 13589625, 16307550, 27179250, 40768875, 81537750]

約数ペア:

[(1, 81537750), (2, 40768875), (3, 27179250), (5, 16307550), (6, 13589625), (7, 11648250), (9, 9059750), (10, 8153775), (14, 5824125), (15, 5435850), (18, 4529875), (21, 3882750), (25, 3261510), (30, 2717925), (31, 2630250), (35, 2329650), (42, 1941375), (45, 1811950), (50, 1630755), (62, 1315125), (63, 1294250), (70, 1164825), (75, 1087170), (90, 905975), (93, 876750), (105, 776550), (125, 652302), (126, 647125), (150, 543585), (155, 526050), (167, 488250), (175, 465930), (186, 438375), (210, 388275), (217, 375750), (225, 362390), (250, 326151), (279, 292250), (310, 263025), (315, 258850), (334, 244125), (350, 232965), (375, 217434), (434, 187875), (450, 181195), (465, 175350), (501, 162750), (525, 155310), (558, 146125), (630, 129425), (651, 125250), (750, 108717), (775, 105210), (835, 97650), (875, 93186), (930, 87675), (1002, 81375), (1050, 77655), (1085, 75150), (1125, 72478), (1169, 69750), (1302, 62625), (1395, 58450), (1503, 54250), (1550, 52605), (1575, 51770), (1670, 48825), (1750, 46593), (1953, 41750), (2170, 37575), (2250, 36239), (2325, 35070), (2338, 34875), (2505, 32550), (2625, 31062), (2790, 29225), (3006, 27125), (3150, 25885), (3255, 25050), (3507, 23250), (3875, 21042), (3906, 20875), (4175, 19530), (4650, 17535), (5010, 16275), (5177, 15750), (5250, 15531), (5425, 15030), (5845, 13950), (6510, 12525), (6975, 11690), (7014, 11625), (7515, 10850), (7750, 10521), (7875, 10354), (8350, 9765)]