18995969280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{25111}}^1$

素因数の和:25332

約数の個数: 144

約数和(自身を含む): 60978766464

約数和(自身を除く): 41982797184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 256, 320, 384, 394, 480, 591, 640, 768, 788, 960, 985, 1182, 1280, 1576, 1920, 1970, 2364, 2955, 3152, 3840, 3940, 4728, 5910, 6304, 7880, 9456, 11820, 12608, 15760, 18912, 23640, 25111, 25216, 31520, 37824, 47280, 50222, 50432, 63040, 75333, 75648, 94560, 100444, 125555, 126080, 150666, 151296, 189120, 200888, 251110, 252160, 301332, 376665, 378240, 401776, 502220, 602664, 753330, 756480, 803552, 1004440, 1205328, 1506660, 1607104, 2008880, 2410656, 3013320, 3214208, 4017760, 4821312, 4946867, 6026640, 6428416, 8035520, 9642624, 9893734, 12053280, 14840601, 16071040, 19285248, 19787468, 24106560, 24734335, 29681202, 32142080, 39574936, 48213120, 49468670, 59362404, 74203005, 79149872, 96426240, 98937340, 118724808, 148406010, 158299744, 197874680, 237449616, 296812020, 316599488, 395749360, 474899232, 593624040, 633198976, 791498720, 949798464, 1187248080, 1266397952, 1582997440, 1899596928, 2374496160, 3165994880, 3799193856, 4748992320, 6331989760, 9497984640, 18995969280]

約数ペア:

[(1, 18995969280), (2, 9497984640), (3, 6331989760), (4, 4748992320), (5, 3799193856), (6, 3165994880), (8, 2374496160), (10, 1899596928), (12, 1582997440), (15, 1266397952), (16, 1187248080), (20, 949798464), (24, 791498720), (30, 633198976), (32, 593624040), (40, 474899232), (48, 395749360), (60, 316599488), (64, 296812020), (80, 237449616), (96, 197874680), (120, 158299744), (128, 148406010), (160, 118724808), (192, 98937340), (197, 96426240), (240, 79149872), (256, 74203005), (320, 59362404), (384, 49468670), (394, 48213120), (480, 39574936), (591, 32142080), (640, 29681202), (768, 24734335), (788, 24106560), (960, 19787468), (985, 19285248), (1182, 16071040), (1280, 14840601), (1576, 12053280), (1920, 9893734), (1970, 9642624), (2364, 8035520), (2955, 6428416), (3152, 6026640), (3840, 4946867), (3940, 4821312), (4728, 4017760), (5910, 3214208), (6304, 3013320), (7880, 2410656), (9456, 2008880), (11820, 1607104), (12608, 1506660), (15760, 1205328), (18912, 1004440), (23640, 803552), (25111, 756480), (25216, 753330), (31520, 602664), (37824, 502220), (47280, 401776), (50222, 378240), (50432, 376665), (63040, 301332), (75333, 252160), (75648, 251110), (94560, 200888), (100444, 189120), (125555, 151296), (126080, 150666)]