18742500

素因数分解:

$2^2\times 3^2\times 5^4\times 7^2\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 270

約数和(自身を含む): 72918846

約数和(自身を除く): 54176346

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 25, 28, 30, 34, 35, 36, 42, 45, 49, 50, 51, 60, 63, 68, 70, 75, 84, 85, 90, 98, 100, 102, 105, 119, 125, 126, 140, 147, 150, 153, 170, 175, 180, 196, 204, 210, 225, 238, 245, 250, 252, 255, 294, 300, 306, 315, 340, 350, 357, 375, 420, 425, 441, 450, 476, 490, 500, 510, 525, 588, 595, 612, 625, 630, 700, 714, 735, 750, 765, 833, 850, 875, 882, 900, 980, 1020, 1050, 1071, 1125, 1190, 1225, 1250, 1260, 1275, 1428, 1470, 1500, 1530, 1575, 1666, 1700, 1750, 1764, 1785, 1875, 2100, 2125, 2142, 2205, 2250, 2380, 2450, 2499, 2500, 2550, 2625, 2940, 2975, 3060, 3150, 3332, 3500, 3570, 3675, 3750, 3825, 4165, 4250, 4284, 4375, 4410, 4500, 4900, 4998, 5100, 5250, 5355, 5625, 5950, 6125, 6300, 6375, 7140, 7350, 7497, 7500, 7650, 7875, 8330, 8500, 8750, 8820, 8925, 9996, 10500, 10625, 10710, 11025, 11250, 11900, 12250, 12495, 12750, 13125, 14700, 14875, 14994, 15300, 15750, 16660, 17500, 17850, 18375, 19125, 20825, 21250, 21420, 22050, 22500, 24500, 24990, 25500, 26250, 26775, 29750, 29988, 30625, 31500, 31875, 35700, 36750, 37485, 38250, 39375, 41650, 42500, 44100, 44625, 49980, 52500, 53550, 55125, 59500, 61250, 62475, 63750, 73500, 74375, 74970, 76500, 78750, 83300, 89250, 91875, 95625, 104125, 107100, 110250, 122500, 124950, 127500, 133875, 148750, 149940, 157500, 178500, 183750, 187425, 191250, 208250, 220500, 223125, 249900, 267750, 275625, 297500, 312375, 367500, 374850, 382500, 416500, 446250, 520625, 535500, 551250, 624750, 669375, 749700, 892500, 937125, 1041250, 1102500, 1249500, 1338750, 1561875, 1874250, 2082500, 2677500, 3123750, 3748500, 4685625, 6247500, 9371250, 18742500]

約数ペア:

[(1, 18742500), (2, 9371250), (3, 6247500), (4, 4685625), (5, 3748500), (6, 3123750), (7, 2677500), (9, 2082500), (10, 1874250), (12, 1561875), (14, 1338750), (15, 1249500), (17, 1102500), (18, 1041250), (20, 937125), (21, 892500), (25, 749700), (28, 669375), (30, 624750), (34, 551250), (35, 535500), (36, 520625), (42, 446250), (45, 416500), (49, 382500), (50, 374850), (51, 367500), (60, 312375), (63, 297500), (68, 275625), (70, 267750), (75, 249900), (84, 223125), (85, 220500), (90, 208250), (98, 191250), (100, 187425), (102, 183750), (105, 178500), (119, 157500), (125, 149940), (126, 148750), (140, 133875), (147, 127500), (150, 124950), (153, 122500), (170, 110250), (175, 107100), (180, 104125), (196, 95625), (204, 91875), (210, 89250), (225, 83300), (238, 78750), (245, 76500), (250, 74970), (252, 74375), (255, 73500), (294, 63750), (300, 62475), (306, 61250), (315, 59500), (340, 55125), (350, 53550), (357, 52500), (375, 49980), (420, 44625), (425, 44100), (441, 42500), (450, 41650), (476, 39375), (490, 38250), (500, 37485), (510, 36750), (525, 35700), (588, 31875), (595, 31500), (612, 30625), (625, 29988), (630, 29750), (700, 26775), (714, 26250), (735, 25500), (750, 24990), (765, 24500), (833, 22500), (850, 22050), (875, 21420), (882, 21250), (900, 20825), (980, 19125), (1020, 18375), (1050, 17850), (1071, 17500), (1125, 16660), (1190, 15750), (1225, 15300), (1250, 14994), (1260, 14875), (1275, 14700), (1428, 13125), (1470, 12750), (1500, 12495), (1530, 12250), (1575, 11900), (1666, 11250), (1700, 11025), (1750, 10710), (1764, 10625), (1785, 10500), (1875, 9996), (2100, 8925), (2125, 8820), (2142, 8750), (2205, 8500), (2250, 8330), (2380, 7875), (2450, 7650), (2499, 7500), (2500, 7497), (2550, 7350), (2625, 7140), (2940, 6375), (2975, 6300), (3060, 6125), (3150, 5950), (3332, 5625), (3500, 5355), (3570, 5250), (3675, 5100), (3750, 4998), (3825, 4900), (4165, 4500), (4250, 4410), (4284, 4375)]