78983840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 212502528

約数和(自身を除く): 133518688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 127, 130, 160, 169, 184, 208, 230, 254, 260, 299, 338, 368, 416, 460, 508, 520, 598, 635, 676, 736, 845, 920, 1016, 1040, 1196, 1270, 1352, 1495, 1651, 1690, 1840, 2032, 2080, 2392, 2540, 2704, 2921, 2990, 3302, 3380, 3680, 3887, 4064, 4784, 5080, 5408, 5842, 5980, 6604, 6760, 7774, 8255, 9568, 10160, 11684, 11960, 13208, 13520, 14605, 15548, 16510, 19435, 20320, 21463, 23368, 23920, 26416, 27040, 29210, 31096, 33020, 37973, 38870, 42926, 46736, 47840, 52832, 58420, 62192, 66040, 75946, 77740, 85852, 93472, 107315, 116840, 124384, 132080, 151892, 155480, 171704, 189865, 214630, 233680, 264160, 303784, 310960, 343408, 379730, 429260, 467360, 493649, 607568, 621920, 686816, 759460, 858520, 987298, 1215136, 1518920, 1717040, 1974596, 2468245, 3037840, 3434080, 3949192, 4936490, 6075680, 7898384, 9872980, 15796768, 19745960, 39491920, 78983840]

約数ペア:

[(1, 78983840), (2, 39491920), (4, 19745960), (5, 15796768), (8, 9872980), (10, 7898384), (13, 6075680), (16, 4936490), (20, 3949192), (23, 3434080), (26, 3037840), (32, 2468245), (40, 1974596), (46, 1717040), (52, 1518920), (65, 1215136), (80, 987298), (92, 858520), (104, 759460), (115, 686816), (127, 621920), (130, 607568), (160, 493649), (169, 467360), (184, 429260), (208, 379730), (230, 343408), (254, 310960), (260, 303784), (299, 264160), (338, 233680), (368, 214630), (416, 189865), (460, 171704), (508, 155480), (520, 151892), (598, 132080), (635, 124384), (676, 116840), (736, 107315), (845, 93472), (920, 85852), (1016, 77740), (1040, 75946), (1196, 66040), (1270, 62192), (1352, 58420), (1495, 52832), (1651, 47840), (1690, 46736), (1840, 42926), (2032, 38870), (2080, 37973), (2392, 33020), (2540, 31096), (2704, 29210), (2921, 27040), (2990, 26416), (3302, 23920), (3380, 23368), (3680, 21463), (3887, 20320), (4064, 19435), (4784, 16510), (5080, 15548), (5408, 14605), (5842, 13520), (5980, 13208), (6604, 11960), (6760, 11684), (7774, 10160), (8255, 9568)]