1248928000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1321

約数の個数: 144

約数和(自身を含む): 3214149120

約数和(自身を除く): 1965221120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 620, 640, 775, 800, 992, 1000, 1240, 1259, 1280, 1550, 1600, 1984, 2000, 2480, 2518, 3100, 3200, 3875, 3968, 4000, 4960, 5036, 6200, 6295, 6400, 7750, 7936, 8000, 9920, 10072, 12400, 12590, 15500, 16000, 19840, 20144, 24800, 25180, 31000, 31475, 32000, 39029, 39680, 40288, 49600, 50360, 62000, 62950, 78058, 80576, 99200, 100720, 124000, 125900, 156116, 157375, 161152, 195145, 198400, 201440, 248000, 251800, 312232, 314750, 322304, 390290, 402880, 496000, 503600, 624464, 629500, 780580, 805760, 975725, 992000, 1007200, 1248928, 1259000, 1561160, 1611520, 1951450, 2014400, 2497856, 2518000, 3122320, 3902900, 4028800, 4878625, 4995712, 5036000, 6244640, 7805800, 8057600, 9757250, 9991424, 10072000, 12489280, 15611600, 19514500, 20144000, 24978560, 31223200, 39029000, 40288000, 49957120, 62446400, 78058000, 124892800, 156116000, 249785600, 312232000, 624464000, 1248928000]

約数ペア:

[(1, 1248928000), (2, 624464000), (4, 312232000), (5, 249785600), (8, 156116000), (10, 124892800), (16, 78058000), (20, 62446400), (25, 49957120), (31, 40288000), (32, 39029000), (40, 31223200), (50, 24978560), (62, 20144000), (64, 19514500), (80, 15611600), (100, 12489280), (124, 10072000), (125, 9991424), (128, 9757250), (155, 8057600), (160, 7805800), (200, 6244640), (248, 5036000), (250, 4995712), (256, 4878625), (310, 4028800), (320, 3902900), (400, 3122320), (496, 2518000), (500, 2497856), (620, 2014400), (640, 1951450), (775, 1611520), (800, 1561160), (992, 1259000), (1000, 1248928), (1240, 1007200), (1259, 992000), (1280, 975725), (1550, 805760), (1600, 780580), (1984, 629500), (2000, 624464), (2480, 503600), (2518, 496000), (3100, 402880), (3200, 390290), (3875, 322304), (3968, 314750), (4000, 312232), (4960, 251800), (5036, 248000), (6200, 201440), (6295, 198400), (6400, 195145), (7750, 161152), (7936, 157375), (8000, 156116), (9920, 125900), (10072, 124000), (12400, 100720), (12590, 99200), (15500, 80576), (16000, 78058), (19840, 62950), (20144, 62000), (24800, 50360), (25180, 49600), (31000, 40288), (31475, 39680), (32000, 39029)]