2878206080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2083}}^1$

素因数の和:2246

約数の個数: 128

約数和(自身を含む): 7346350080

約数和(自身を除く): 4468144000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 128, 136, 160, 170, 254, 272, 320, 340, 508, 544, 635, 640, 680, 1016, 1088, 1270, 1360, 2032, 2083, 2159, 2176, 2540, 2720, 4064, 4166, 4318, 5080, 5440, 8128, 8332, 8636, 10160, 10415, 10795, 10880, 16256, 16664, 17272, 20320, 20830, 21590, 33328, 34544, 35411, 40640, 41660, 43180, 66656, 69088, 70822, 81280, 83320, 86360, 133312, 138176, 141644, 166640, 172720, 177055, 264541, 266624, 276352, 283288, 333280, 345440, 354110, 529082, 566576, 666560, 690880, 708220, 1058164, 1133152, 1322705, 1333120, 1381760, 1416440, 2116328, 2266304, 2645410, 2832880, 4232656, 4497197, 4532608, 5290820, 5665760, 8465312, 8994394, 10581640, 11331520, 16930624, 17988788, 21163280, 22485985, 22663040, 33861248, 35977576, 42326560, 44971970, 71955152, 84653120, 89943940, 143910304, 169306240, 179887880, 287820608, 359775760, 575641216, 719551520, 1439103040, 2878206080]

約数ペア:

[(1, 2878206080), (2, 1439103040), (4, 719551520), (5, 575641216), (8, 359775760), (10, 287820608), (16, 179887880), (17, 169306240), (20, 143910304), (32, 89943940), (34, 84653120), (40, 71955152), (64, 44971970), (68, 42326560), (80, 35977576), (85, 33861248), (127, 22663040), (128, 22485985), (136, 21163280), (160, 17988788), (170, 16930624), (254, 11331520), (272, 10581640), (320, 8994394), (340, 8465312), (508, 5665760), (544, 5290820), (635, 4532608), (640, 4497197), (680, 4232656), (1016, 2832880), (1088, 2645410), (1270, 2266304), (1360, 2116328), (2032, 1416440), (2083, 1381760), (2159, 1333120), (2176, 1322705), (2540, 1133152), (2720, 1058164), (4064, 708220), (4166, 690880), (4318, 666560), (5080, 566576), (5440, 529082), (8128, 354110), (8332, 345440), (8636, 333280), (10160, 283288), (10415, 276352), (10795, 266624), (10880, 264541), (16256, 177055), (16664, 172720), (17272, 166640), (20320, 141644), (20830, 138176), (21590, 133312), (33328, 86360), (34544, 83320), (35411, 81280), (40640, 70822), (41660, 69088), (43180, 66656)]