747408640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 1974994560

約数和(自身を除く): 1227585920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 109, 110, 128, 160, 176, 218, 220, 256, 320, 352, 436, 440, 487, 545, 640, 704, 872, 880, 974, 1090, 1199, 1280, 1408, 1744, 1760, 1948, 2180, 2398, 2435, 2816, 3488, 3520, 3896, 4360, 4796, 4870, 5357, 5995, 6976, 7040, 7792, 8720, 9592, 9740, 10714, 11990, 13952, 14080, 15584, 17440, 19184, 19480, 21428, 23980, 26785, 27904, 31168, 34880, 38368, 38960, 42856, 47960, 53083, 53570, 62336, 69760, 76736, 77920, 85712, 95920, 106166, 107140, 124672, 139520, 153472, 155840, 171424, 191840, 212332, 214280, 265415, 306944, 311680, 342848, 383680, 424664, 428560, 530830, 583913, 623360, 685696, 767360, 849328, 857120, 1061660, 1167826, 1371392, 1534720, 1698656, 1714240, 2123320, 2335652, 2919565, 3397312, 3428480, 4246640, 4671304, 5839130, 6794624, 6856960, 8493280, 9342608, 11678260, 13589248, 16986560, 18685216, 23356520, 33973120, 37370432, 46713040, 67946240, 74740864, 93426080, 149481728, 186852160, 373704320, 747408640]

約数ペア:

[(1, 747408640), (2, 373704320), (4, 186852160), (5, 149481728), (8, 93426080), (10, 74740864), (11, 67946240), (16, 46713040), (20, 37370432), (22, 33973120), (32, 23356520), (40, 18685216), (44, 16986560), (55, 13589248), (64, 11678260), (80, 9342608), (88, 8493280), (109, 6856960), (110, 6794624), (128, 5839130), (160, 4671304), (176, 4246640), (218, 3428480), (220, 3397312), (256, 2919565), (320, 2335652), (352, 2123320), (436, 1714240), (440, 1698656), (487, 1534720), (545, 1371392), (640, 1167826), (704, 1061660), (872, 857120), (880, 849328), (974, 767360), (1090, 685696), (1199, 623360), (1280, 583913), (1408, 530830), (1744, 428560), (1760, 424664), (1948, 383680), (2180, 342848), (2398, 311680), (2435, 306944), (2816, 265415), (3488, 214280), (3520, 212332), (3896, 191840), (4360, 171424), (4796, 155840), (4870, 153472), (5357, 139520), (5995, 124672), (6976, 107140), (7040, 106166), (7792, 95920), (8720, 85712), (9592, 77920), (9740, 76736), (10714, 69760), (11990, 62336), (13952, 53570), (14080, 53083), (15584, 47960), (17440, 42856), (19184, 38960), (19480, 38368), (21428, 34880), (23980, 31168), (26785, 27904)]