85307820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 265628160

約数和(自身を除く): 180320340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 169, 179, 188, 195, 235, 260, 282, 338, 358, 390, 470, 507, 537, 564, 611, 676, 705, 716, 780, 845, 895, 940, 1014, 1074, 1222, 1410, 1690, 1790, 1833, 2028, 2148, 2327, 2444, 2535, 2685, 2820, 3055, 3380, 3580, 3666, 4654, 5070, 5370, 6110, 6981, 7332, 7943, 8413, 9165, 9308, 10140, 10740, 11635, 12220, 13962, 15886, 16826, 18330, 23270, 23829, 25239, 27924, 30251, 31772, 33652, 34905, 36660, 39715, 42065, 46540, 47658, 50478, 60502, 69810, 79430, 84130, 90753, 95316, 100956, 109369, 119145, 121004, 126195, 139620, 151255, 158860, 168260, 181506, 218738, 238290, 252390, 302510, 328107, 363012, 437476, 453765, 476580, 504780, 546845, 605020, 656214, 907530, 1093690, 1312428, 1421797, 1640535, 1815060, 2187380, 2843594, 3281070, 4265391, 5687188, 6562140, 7108985, 8530782, 14217970, 17061564, 21326955, 28435940, 42653910, 85307820]

約数ペア:

[(1, 85307820), (2, 42653910), (3, 28435940), (4, 21326955), (5, 17061564), (6, 14217970), (10, 8530782), (12, 7108985), (13, 6562140), (15, 5687188), (20, 4265391), (26, 3281070), (30, 2843594), (39, 2187380), (47, 1815060), (52, 1640535), (60, 1421797), (65, 1312428), (78, 1093690), (94, 907530), (130, 656214), (141, 605020), (156, 546845), (169, 504780), (179, 476580), (188, 453765), (195, 437476), (235, 363012), (260, 328107), (282, 302510), (338, 252390), (358, 238290), (390, 218738), (470, 181506), (507, 168260), (537, 158860), (564, 151255), (611, 139620), (676, 126195), (705, 121004), (716, 119145), (780, 109369), (845, 100956), (895, 95316), (940, 90753), (1014, 84130), (1074, 79430), (1222, 69810), (1410, 60502), (1690, 50478), (1790, 47658), (1833, 46540), (2028, 42065), (2148, 39715), (2327, 36660), (2444, 34905), (2535, 33652), (2685, 31772), (2820, 30251), (3055, 27924), (3380, 25239), (3580, 23829), (3666, 23270), (4654, 18330), (5070, 16826), (5370, 15886), (6110, 13962), (6981, 12220), (7332, 11635), (7943, 10740), (8413, 10140), (9165, 9308)]