218675700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{8999}}^1$

素因数の和:9028

約数の個数: 108

約数和(自身を含む): 710892000

約数和(自身を除く): 492216300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 810, 900, 972, 1215, 1350, 1620, 2025, 2430, 2700, 4050, 4860, 6075, 8100, 8999, 12150, 17998, 24300, 26997, 35996, 44995, 53994, 80991, 89990, 107988, 134985, 161982, 179980, 224975, 242973, 269970, 323964, 404955, 449950, 485946, 539940, 674925, 728919, 809910, 899900, 971892, 1214865, 1349850, 1457838, 1619820, 2024775, 2186757, 2429730, 2699700, 2915676, 3644595, 4049550, 4373514, 4859460, 6074325, 7289190, 8099100, 8747028, 10933785, 12148650, 14578380, 18222975, 21867570, 24297300, 36445950, 43735140, 54668925, 72891900, 109337850, 218675700]

約数ペア:

[(1, 218675700), (2, 109337850), (3, 72891900), (4, 54668925), (5, 43735140), (6, 36445950), (9, 24297300), (10, 21867570), (12, 18222975), (15, 14578380), (18, 12148650), (20, 10933785), (25, 8747028), (27, 8099100), (30, 7289190), (36, 6074325), (45, 4859460), (50, 4373514), (54, 4049550), (60, 3644595), (75, 2915676), (81, 2699700), (90, 2429730), (100, 2186757), (108, 2024775), (135, 1619820), (150, 1457838), (162, 1349850), (180, 1214865), (225, 971892), (243, 899900), (270, 809910), (300, 728919), (324, 674925), (405, 539940), (450, 485946), (486, 449950), (540, 404955), (675, 323964), (810, 269970), (900, 242973), (972, 224975), (1215, 179980), (1350, 161982), (1620, 134985), (2025, 107988), (2430, 89990), (2700, 80991), (4050, 53994), (4860, 44995), (6075, 35996), (8100, 26997), (8999, 24300), (12150, 17998)]