243238400

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 120

約数和(自身を含む): 623097024

約数和(自身を除く): 379858624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 613, 620, 640, 775, 800, 992, 1226, 1240, 1280, 1550, 1600, 1984, 2452, 2480, 2560, 3065, 3100, 3200, 3968, 4904, 4960, 6130, 6200, 6400, 7936, 9808, 9920, 12260, 12400, 12800, 15325, 15872, 19003, 19616, 19840, 24520, 24800, 30650, 38006, 39232, 39680, 49040, 49600, 61300, 76012, 78464, 79360, 95015, 98080, 99200, 122600, 152024, 156928, 190030, 196160, 198400, 245200, 304048, 313856, 380060, 392320, 396800, 475075, 490400, 608096, 760120, 784640, 950150, 980800, 1216192, 1520240, 1569280, 1900300, 1961600, 2432384, 3040480, 3800600, 3923200, 4864768, 6080960, 7601200, 7846400, 9729536, 12161920, 15202400, 24323840, 30404800, 48647680, 60809600, 121619200, 243238400]

約数ペア:

[(1, 243238400), (2, 121619200), (4, 60809600), (5, 48647680), (8, 30404800), (10, 24323840), (16, 15202400), (20, 12161920), (25, 9729536), (31, 7846400), (32, 7601200), (40, 6080960), (50, 4864768), (62, 3923200), (64, 3800600), (80, 3040480), (100, 2432384), (124, 1961600), (128, 1900300), (155, 1569280), (160, 1520240), (200, 1216192), (248, 980800), (256, 950150), (310, 784640), (320, 760120), (400, 608096), (496, 490400), (512, 475075), (613, 396800), (620, 392320), (640, 380060), (775, 313856), (800, 304048), (992, 245200), (1226, 198400), (1240, 196160), (1280, 190030), (1550, 156928), (1600, 152024), (1984, 122600), (2452, 99200), (2480, 98080), (2560, 95015), (3065, 79360), (3100, 78464), (3200, 76012), (3968, 61300), (4904, 49600), (4960, 49040), (6130, 39680), (6200, 39232), (6400, 38006), (7936, 30650), (9808, 24800), (9920, 24520), (12260, 19840), (12400, 19616), (12800, 19003), (15325, 15872)]