49015980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20947}}^1$

素因数の和:20975

約数の個数: 72

約数和(自身を含む): 160126512

約数和(自身を除く): 111110532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 20947, 41894, 62841, 83788, 104735, 125682, 188523, 209470, 251364, 272311, 314205, 377046, 418940, 544622, 628410, 754092, 816933, 942615, 1089244, 1256820, 1361555, 1633866, 1885230, 2450799, 2723110, 3267732, 3770460, 4084665, 4901598, 5446220, 8169330, 9803196, 12253995, 16338660, 24507990, 49015980]

約数ペア:

[(1, 49015980), (2, 24507990), (3, 16338660), (4, 12253995), (5, 9803196), (6, 8169330), (9, 5446220), (10, 4901598), (12, 4084665), (13, 3770460), (15, 3267732), (18, 2723110), (20, 2450799), (26, 1885230), (30, 1633866), (36, 1361555), (39, 1256820), (45, 1089244), (52, 942615), (60, 816933), (65, 754092), (78, 628410), (90, 544622), (117, 418940), (130, 377046), (156, 314205), (180, 272311), (195, 251364), (234, 209470), (260, 188523), (390, 125682), (468, 104735), (585, 83788), (780, 62841), (1170, 41894), (2340, 20947)]