248785920

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{5399}}^1$

素因数の和:5430

約数の個数: 132

約数和(自身を含む): 862196400

約数和(自身を除く): 613410480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5399, 5760, 7680, 9216, 10798, 11520, 15360, 16197, 21596, 23040, 26995, 32394, 43192, 46080, 48591, 53990, 64788, 80985, 86384, 97182, 107980, 129576, 161970, 172768, 194364, 215960, 242955, 259152, 323940, 345536, 388728, 431920, 485910, 518304, 647880, 691072, 777456, 863840, 971820, 1036608, 1295760, 1382144, 1554912, 1727680, 1943640, 2073216, 2591520, 2764288, 3109824, 3455360, 3887280, 4146432, 5183040, 5528576, 6219648, 6910720, 7774560, 8292864, 10366080, 12439296, 13821440, 15549120, 16585728, 20732160, 24878592, 27642880, 31098240, 41464320, 49757184, 62196480, 82928640, 124392960, 248785920]

約数ペア:

[(1, 248785920), (2, 124392960), (3, 82928640), (4, 62196480), (5, 49757184), (6, 41464320), (8, 31098240), (9, 27642880), (10, 24878592), (12, 20732160), (15, 16585728), (16, 15549120), (18, 13821440), (20, 12439296), (24, 10366080), (30, 8292864), (32, 7774560), (36, 6910720), (40, 6219648), (45, 5528576), (48, 5183040), (60, 4146432), (64, 3887280), (72, 3455360), (80, 3109824), (90, 2764288), (96, 2591520), (120, 2073216), (128, 1943640), (144, 1727680), (160, 1554912), (180, 1382144), (192, 1295760), (240, 1036608), (256, 971820), (288, 863840), (320, 777456), (360, 691072), (384, 647880), (480, 518304), (512, 485910), (576, 431920), (640, 388728), (720, 345536), (768, 323940), (960, 259152), (1024, 242955), (1152, 215960), (1280, 194364), (1440, 172768), (1536, 161970), (1920, 129576), (2304, 107980), (2560, 97182), (2880, 86384), (3072, 80985), (3840, 64788), (4608, 53990), (5120, 48591), (5399, 46080), (5760, 43192), (7680, 32394), (9216, 26995), (10798, 23040), (11520, 21596), (15360, 16197)]