1282012800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{133543}}^1$

素因数の和:133570

約数の個数: 96

約数和(自身を含む): 4222661280

約数和(自身を除く): 2940648480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 2400, 3200, 4800, 9600, 133543, 267086, 400629, 534172, 667715, 801258, 1068344, 1335430, 1602516, 2003145, 2136688, 2670860, 3205032, 3338575, 4006290, 4273376, 5341720, 6410064, 6677150, 8012580, 8546752, 10015725, 10683440, 12820128, 13354300, 16025160, 17093504, 20031450, 21366880, 25640256, 26708600, 32050320, 40062900, 42733760, 51280512, 53417200, 64100640, 80125800, 85467520, 106834400, 128201280, 160251600, 213668800, 256402560, 320503200, 427337600, 641006400, 1282012800]

約数ペア:

[(1, 1282012800), (2, 641006400), (3, 427337600), (4, 320503200), (5, 256402560), (6, 213668800), (8, 160251600), (10, 128201280), (12, 106834400), (15, 85467520), (16, 80125800), (20, 64100640), (24, 53417200), (25, 51280512), (30, 42733760), (32, 40062900), (40, 32050320), (48, 26708600), (50, 25640256), (60, 21366880), (64, 20031450), (75, 17093504), (80, 16025160), (96, 13354300), (100, 12820128), (120, 10683440), (128, 10015725), (150, 8546752), (160, 8012580), (192, 6677150), (200, 6410064), (240, 5341720), (300, 4273376), (320, 4006290), (384, 3338575), (400, 3205032), (480, 2670860), (600, 2136688), (640, 2003145), (800, 1602516), (960, 1335430), (1200, 1068344), (1600, 801258), (1920, 667715), (2400, 534172), (3200, 400629), (4800, 267086), (9600, 133543)]