13781320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{593}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 35925120

約数和(自身を除く): 22143800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 593, 664, 830, 1162, 1186, 1660, 2324, 2372, 2905, 2965, 3320, 4151, 4648, 4744, 5810, 5930, 8302, 11620, 11860, 16604, 20755, 23240, 23720, 33208, 41510, 49219, 83020, 98438, 166040, 196876, 246095, 344533, 393752, 492190, 689066, 984380, 1378132, 1722665, 1968760, 2756264, 3445330, 6890660, 13781320]

約数ペア:

[(1, 13781320), (2, 6890660), (4, 3445330), (5, 2756264), (7, 1968760), (8, 1722665), (10, 1378132), (14, 984380), (20, 689066), (28, 492190), (35, 393752), (40, 344533), (56, 246095), (70, 196876), (83, 166040), (140, 98438), (166, 83020), (280, 49219), (332, 41510), (415, 33208), (581, 23720), (593, 23240), (664, 20755), (830, 16604), (1162, 11860), (1186, 11620), (1660, 8302), (2324, 5930), (2372, 5810), (2905, 4744), (2965, 4648), (3320, 4151)]