78764140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3329}}^1$

素因数の和:3371

約数の個数: 72

約数和(自身を含む): 204755040

約数和(自身を除く): 125990900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3329, 3380, 4732, 5915, 6658, 11830, 13316, 16645, 23303, 23660, 33290, 43277, 46606, 66580, 86554, 93212, 116515, 173108, 216385, 233030, 302939, 432770, 466060, 562601, 605878, 865540, 1125202, 1211756, 1514695, 2250404, 2813005, 3029390, 3938207, 5626010, 6058780, 7876414, 11252020, 15752828, 19691035, 39382070, 78764140]

約数ペア:

[(1, 78764140), (2, 39382070), (4, 19691035), (5, 15752828), (7, 11252020), (10, 7876414), (13, 6058780), (14, 5626010), (20, 3938207), (26, 3029390), (28, 2813005), (35, 2250404), (52, 1514695), (65, 1211756), (70, 1125202), (91, 865540), (130, 605878), (140, 562601), (169, 466060), (182, 432770), (260, 302939), (338, 233030), (364, 216385), (455, 173108), (676, 116515), (845, 93212), (910, 86554), (1183, 66580), (1690, 46606), (1820, 43277), (2366, 33290), (3329, 23660), (3380, 23303), (4732, 16645), (5915, 13316), (6658, 11830)]