81307824

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{569}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 227589600

約数和(自身を除く): 146281776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 229, 312, 458, 569, 624, 687, 916, 1138, 1374, 1707, 1832, 2276, 2748, 2977, 3414, 3664, 4552, 5496, 5954, 6828, 7397, 8931, 9104, 10992, 11908, 13656, 14794, 17862, 22191, 23816, 27312, 29588, 35724, 44382, 47632, 59176, 71448, 88764, 118352, 130301, 142896, 177528, 260602, 355056, 390903, 521204, 781806, 1042408, 1563612, 1693913, 2084816, 3127224, 3387826, 5081739, 6254448, 6775652, 10163478, 13551304, 20326956, 27102608, 40653912, 81307824]

約数ペア:

[(1, 81307824), (2, 40653912), (3, 27102608), (4, 20326956), (6, 13551304), (8, 10163478), (12, 6775652), (13, 6254448), (16, 5081739), (24, 3387826), (26, 3127224), (39, 2084816), (48, 1693913), (52, 1563612), (78, 1042408), (104, 781806), (156, 521204), (208, 390903), (229, 355056), (312, 260602), (458, 177528), (569, 142896), (624, 130301), (687, 118352), (916, 88764), (1138, 71448), (1374, 59176), (1707, 47632), (1832, 44382), (2276, 35724), (2748, 29588), (2977, 27312), (3414, 23816), (3664, 22191), (4552, 17862), (5496, 14794), (5954, 13656), (6828, 11908), (7397, 10992), (8931, 9104)]