81885750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 219967488

約数和(自身を除く): 138081738

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 47, 50, 69, 75, 94, 101, 115, 125, 138, 141, 150, 202, 230, 235, 250, 282, 303, 345, 375, 470, 505, 575, 606, 690, 705, 750, 1010, 1081, 1150, 1175, 1410, 1515, 1725, 2162, 2323, 2350, 2525, 2875, 3030, 3243, 3450, 3525, 4646, 4747, 5050, 5405, 5750, 5875, 6486, 6969, 7050, 7575, 8625, 9494, 10810, 11615, 11750, 12625, 13938, 14241, 15150, 16215, 17250, 17625, 23230, 23735, 25250, 27025, 28482, 32430, 34845, 35250, 37875, 47470, 54050, 58075, 69690, 71205, 75750, 81075, 109181, 116150, 118675, 135125, 142410, 162150, 174225, 218362, 237350, 270250, 290375, 327543, 348450, 356025, 405375, 545905, 580750, 593375, 655086, 712050, 810750, 871125, 1091810, 1186750, 1637715, 1742250, 1780125, 2729525, 3275430, 3560250, 5459050, 8188575, 13647625, 16377150, 27295250, 40942875, 81885750]

約数ペア:

[(1, 81885750), (2, 40942875), (3, 27295250), (5, 16377150), (6, 13647625), (10, 8188575), (15, 5459050), (23, 3560250), (25, 3275430), (30, 2729525), (46, 1780125), (47, 1742250), (50, 1637715), (69, 1186750), (75, 1091810), (94, 871125), (101, 810750), (115, 712050), (125, 655086), (138, 593375), (141, 580750), (150, 545905), (202, 405375), (230, 356025), (235, 348450), (250, 327543), (282, 290375), (303, 270250), (345, 237350), (375, 218362), (470, 174225), (505, 162150), (575, 142410), (606, 135125), (690, 118675), (705, 116150), (750, 109181), (1010, 81075), (1081, 75750), (1150, 71205), (1175, 69690), (1410, 58075), (1515, 54050), (1725, 47470), (2162, 37875), (2323, 35250), (2350, 34845), (2525, 32430), (2875, 28482), (3030, 27025), (3243, 25250), (3450, 23735), (3525, 23230), (4646, 17625), (4747, 17250), (5050, 16215), (5405, 15150), (5750, 14241), (5875, 13938), (6486, 12625), (6969, 11750), (7050, 11615), (7575, 10810), (8625, 9494)]