81973050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 212129280

約数和(自身を除く): 130156230

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 71, 75, 86, 129, 142, 150, 179, 213, 215, 258, 355, 358, 426, 430, 537, 645, 710, 895, 1065, 1074, 1075, 1290, 1775, 1790, 2130, 2150, 2685, 3053, 3225, 3550, 4475, 5325, 5370, 6106, 6450, 7697, 8950, 9159, 10650, 12709, 13425, 15265, 15394, 18318, 23091, 25418, 26850, 30530, 38127, 38485, 45795, 46182, 63545, 76254, 76325, 76970, 91590, 115455, 127090, 152650, 190635, 192425, 228975, 230910, 317725, 381270, 384850, 457950, 546487, 577275, 635450, 953175, 1092974, 1154550, 1639461, 1906350, 2732435, 3278922, 5464870, 8197305, 13662175, 16394610, 27324350, 40986525, 81973050]

約数ペア:

[(1, 81973050), (2, 40986525), (3, 27324350), (5, 16394610), (6, 13662175), (10, 8197305), (15, 5464870), (25, 3278922), (30, 2732435), (43, 1906350), (50, 1639461), (71, 1154550), (75, 1092974), (86, 953175), (129, 635450), (142, 577275), (150, 546487), (179, 457950), (213, 384850), (215, 381270), (258, 317725), (355, 230910), (358, 228975), (426, 192425), (430, 190635), (537, 152650), (645, 127090), (710, 115455), (895, 91590), (1065, 76970), (1074, 76325), (1075, 76254), (1290, 63545), (1775, 46182), (1790, 45795), (2130, 38485), (2150, 38127), (2685, 30530), (3053, 26850), (3225, 25418), (3550, 23091), (4475, 18318), (5325, 15394), (5370, 15265), (6106, 13425), (6450, 12709), (7697, 10650), (8950, 9159)]