748920320

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9437}}^1$

素因数の和:9491

約数の個数: 80

約数和(自身を含む): 1853774208

約数和(自身を除く): 1104853888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9437, 9920, 15872, 18874, 19840, 37748, 39680, 47185, 75496, 79360, 94370, 150992, 188740, 292547, 301984, 377480, 585094, 603968, 754960, 1170188, 1207936, 1462735, 1509920, 2340376, 2415872, 2925470, 3019840, 4680752, 4831744, 5850940, 6039680, 9361504, 11701880, 12079360, 18723008, 23403760, 24158720, 37446016, 46807520, 74892032, 93615040, 149784064, 187230080, 374460160, 748920320]

約数ペア:

[(1, 748920320), (2, 374460160), (4, 187230080), (5, 149784064), (8, 93615040), (10, 74892032), (16, 46807520), (20, 37446016), (31, 24158720), (32, 23403760), (40, 18723008), (62, 12079360), (64, 11701880), (80, 9361504), (124, 6039680), (128, 5850940), (155, 4831744), (160, 4680752), (248, 3019840), (256, 2925470), (310, 2415872), (320, 2340376), (496, 1509920), (512, 1462735), (620, 1207936), (640, 1170188), (992, 754960), (1240, 603968), (1280, 585094), (1984, 377480), (2480, 301984), (2560, 292547), (3968, 188740), (4960, 150992), (7936, 94370), (9437, 79360), (9920, 75496), (15872, 47185), (18874, 39680), (19840, 37748)]