77902240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 206968608

約数和(自身を除く): 129066368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 67, 80, 86, 104, 130, 134, 160, 169, 172, 208, 215, 260, 268, 335, 338, 344, 416, 430, 520, 536, 559, 670, 676, 688, 845, 860, 871, 1040, 1072, 1118, 1340, 1352, 1376, 1690, 1720, 1742, 2080, 2144, 2236, 2680, 2704, 2795, 2881, 3380, 3440, 3484, 4355, 4472, 5360, 5408, 5590, 5762, 6760, 6880, 6968, 7267, 8710, 8944, 10720, 11180, 11323, 11524, 13520, 13936, 14405, 14534, 17420, 17888, 22360, 22646, 23048, 27040, 27872, 28810, 29068, 34840, 36335, 37453, 44720, 45292, 46096, 56615, 57620, 58136, 69680, 72670, 74906, 89440, 90584, 92192, 113230, 115240, 116272, 139360, 145340, 149812, 181168, 187265, 226460, 230480, 232544, 290680, 299624, 362336, 374530, 452920, 460960, 486889, 581360, 599248, 749060, 905840, 973778, 1162720, 1198496, 1498120, 1811680, 1947556, 2434445, 2996240, 3895112, 4868890, 5992480, 7790224, 9737780, 15580448, 19475560, 38951120, 77902240]

約数ペア:

[(1, 77902240), (2, 38951120), (4, 19475560), (5, 15580448), (8, 9737780), (10, 7790224), (13, 5992480), (16, 4868890), (20, 3895112), (26, 2996240), (32, 2434445), (40, 1947556), (43, 1811680), (52, 1498120), (65, 1198496), (67, 1162720), (80, 973778), (86, 905840), (104, 749060), (130, 599248), (134, 581360), (160, 486889), (169, 460960), (172, 452920), (208, 374530), (215, 362336), (260, 299624), (268, 290680), (335, 232544), (338, 230480), (344, 226460), (416, 187265), (430, 181168), (520, 149812), (536, 145340), (559, 139360), (670, 116272), (676, 115240), (688, 113230), (845, 92192), (860, 90584), (871, 89440), (1040, 74906), (1072, 72670), (1118, 69680), (1340, 58136), (1352, 57620), (1376, 56615), (1690, 46096), (1720, 45292), (1742, 44720), (2080, 37453), (2144, 36335), (2236, 34840), (2680, 29068), (2704, 28810), (2795, 27872), (2881, 27040), (3380, 23048), (3440, 22646), (3484, 22360), (4355, 17888), (4472, 17420), (5360, 14534), (5408, 14405), (5590, 13936), (5762, 13520), (6760, 11524), (6880, 11323), (6968, 11180), (7267, 10720), (8710, 8944)]