78816180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1549

約数の個数: 96

約数和(自身を含む): 237404160

約数和(自身を除く): 158587980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 47, 57, 60, 76, 94, 95, 114, 141, 188, 190, 228, 235, 282, 285, 380, 470, 564, 570, 705, 893, 940, 1140, 1410, 1471, 1786, 2679, 2820, 2942, 3572, 4413, 4465, 5358, 5884, 7355, 8826, 8930, 10716, 13395, 14710, 17652, 17860, 22065, 26790, 27949, 29420, 44130, 53580, 55898, 69137, 83847, 88260, 111796, 138274, 139745, 167694, 207411, 276548, 279490, 335388, 345685, 414822, 419235, 558980, 691370, 829644, 838470, 1037055, 1313603, 1382740, 1676940, 2074110, 2627206, 3940809, 4148220, 5254412, 6568015, 7881618, 13136030, 15763236, 19704045, 26272060, 39408090, 78816180]

約数ペア:

[(1, 78816180), (2, 39408090), (3, 26272060), (4, 19704045), (5, 15763236), (6, 13136030), (10, 7881618), (12, 6568015), (15, 5254412), (19, 4148220), (20, 3940809), (30, 2627206), (38, 2074110), (47, 1676940), (57, 1382740), (60, 1313603), (76, 1037055), (94, 838470), (95, 829644), (114, 691370), (141, 558980), (188, 419235), (190, 414822), (228, 345685), (235, 335388), (282, 279490), (285, 276548), (380, 207411), (470, 167694), (564, 139745), (570, 138274), (705, 111796), (893, 88260), (940, 83847), (1140, 69137), (1410, 55898), (1471, 53580), (1786, 44130), (2679, 29420), (2820, 27949), (2942, 26790), (3572, 22065), (4413, 17860), (4465, 17652), (5358, 14710), (5884, 13395), (7355, 10716), (8826, 8930)]