64778400

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{2999}}^1$

素因数の和:3028

約数の個数: 144

約数和(自身を含む): 234360000

約数和(自身を除く): 169581600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 1080, 1200, 1350, 1440, 1800, 2160, 2400, 2700, 2999, 3600, 4320, 5400, 5998, 7200, 8997, 10800, 11996, 14995, 17994, 21600, 23992, 26991, 29990, 35988, 44985, 47984, 53982, 59980, 71976, 74975, 80973, 89970, 95968, 107964, 119960, 134955, 143952, 149950, 161946, 179940, 215928, 224925, 239920, 269910, 287904, 299900, 323892, 359880, 404865, 431856, 449850, 479840, 539820, 599800, 647784, 674775, 719760, 809730, 863712, 899700, 1079640, 1199600, 1295568, 1349550, 1439520, 1619460, 1799400, 2024325, 2159280, 2399200, 2591136, 2699100, 3238920, 3598800, 4048650, 4318560, 5398200, 6477840, 7197600, 8097300, 10796400, 12955680, 16194600, 21592800, 32389200, 64778400]

約数ペア:

[(1, 64778400), (2, 32389200), (3, 21592800), (4, 16194600), (5, 12955680), (6, 10796400), (8, 8097300), (9, 7197600), (10, 6477840), (12, 5398200), (15, 4318560), (16, 4048650), (18, 3598800), (20, 3238920), (24, 2699100), (25, 2591136), (27, 2399200), (30, 2159280), (32, 2024325), (36, 1799400), (40, 1619460), (45, 1439520), (48, 1349550), (50, 1295568), (54, 1199600), (60, 1079640), (72, 899700), (75, 863712), (80, 809730), (90, 719760), (96, 674775), (100, 647784), (108, 599800), (120, 539820), (135, 479840), (144, 449850), (150, 431856), (160, 404865), (180, 359880), (200, 323892), (216, 299900), (225, 287904), (240, 269910), (270, 239920), (288, 224925), (300, 215928), (360, 179940), (400, 161946), (432, 149950), (450, 143952), (480, 134955), (540, 119960), (600, 107964), (675, 95968), (720, 89970), (800, 80973), (864, 74975), (900, 71976), (1080, 59980), (1200, 53982), (1350, 47984), (1440, 44985), (1800, 35988), (2160, 29990), (2400, 26991), (2700, 23992), (2999, 21600), (3600, 17994), (4320, 14995), (5400, 11996), (5998, 10800), (7200, 8997)]