72891900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{8999}}^1$

素因数の和:9025

約数の個数: 90

約数和(自身を含む): 236313000

約数和(自身を除く): 163421100

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, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 8999, 17998, 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, 2429730, 2699700, 2915676, 3644595, 4049550, 4859460, 6074325, 7289190, 8099100, 12148650, 14578380, 18222975, 24297300, 36445950, 72891900]

約数ペア:

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