78748800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:671

約数の個数: 192

約数和(自身を含む): 279773760

約数和(自身を除く): 201024960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 260, 300, 312, 320, 325, 384, 390, 400, 416, 480, 520, 600, 624, 631, 640, 650, 780, 800, 832, 960, 975, 1040, 1200, 1248, 1262, 1300, 1560, 1600, 1664, 1893, 1920, 1950, 2080, 2400, 2496, 2524, 2600, 3120, 3155, 3200, 3786, 3900, 4160, 4800, 4992, 5048, 5200, 6240, 6310, 7572, 7800, 8203, 8320, 9465, 9600, 10096, 10400, 12480, 12620, 15144, 15600, 15775, 16406, 18930, 20192, 20800, 24609, 24960, 25240, 30288, 31200, 31550, 32812, 37860, 40384, 41015, 41600, 47325, 49218, 50480, 60576, 62400, 63100, 65624, 75720, 80768, 82030, 94650, 98436, 100960, 121152, 123045, 124800, 126200, 131248, 151440, 164060, 189300, 196872, 201920, 205075, 242304, 246090, 252400, 262496, 302880, 328120, 378600, 393744, 403840, 410150, 492180, 504800, 524992, 605760, 615225, 656240, 757200, 787488, 820300, 984360, 1009600, 1049984, 1211520, 1230450, 1312480, 1514400, 1574976, 1640600, 1968720, 2019200, 2460900, 2624960, 3028800, 3149952, 3281200, 3937440, 4921800, 5249920, 6057600, 6562400, 7874880, 9843600, 13124800, 15749760, 19687200, 26249600, 39374400, 78748800]

約数ペア:

[(1, 78748800), (2, 39374400), (3, 26249600), (4, 19687200), (5, 15749760), (6, 13124800), (8, 9843600), (10, 7874880), (12, 6562400), (13, 6057600), (15, 5249920), (16, 4921800), (20, 3937440), (24, 3281200), (25, 3149952), (26, 3028800), (30, 2624960), (32, 2460900), (39, 2019200), (40, 1968720), (48, 1640600), (50, 1574976), (52, 1514400), (60, 1312480), (64, 1230450), (65, 1211520), (75, 1049984), (78, 1009600), (80, 984360), (96, 820300), (100, 787488), (104, 757200), (120, 656240), (128, 615225), (130, 605760), (150, 524992), (156, 504800), (160, 492180), (192, 410150), (195, 403840), (200, 393744), (208, 378600), (240, 328120), (260, 302880), (300, 262496), (312, 252400), (320, 246090), (325, 242304), (384, 205075), (390, 201920), (400, 196872), (416, 189300), (480, 164060), (520, 151440), (600, 131248), (624, 126200), (631, 124800), (640, 123045), (650, 121152), (780, 100960), (800, 98436), (832, 94650), (960, 82030), (975, 80768), (1040, 75720), (1200, 65624), (1248, 63100), (1262, 62400), (1300, 60576), (1560, 50480), (1600, 49218), (1664, 47325), (1893, 41600), (1920, 41015), (1950, 40384), (2080, 37860), (2400, 32812), (2496, 31550), (2524, 31200), (2600, 30288), (3120, 25240), (3155, 24960), (3200, 24609), (3786, 20800), (3900, 20192), (4160, 18930), (4800, 16406), (4992, 15775), (5048, 15600), (5200, 15144), (6240, 12620), (6310, 12480), (7572, 10400), (7800, 10096), (8203, 9600), (8320, 9465)]