81237150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 233985024

約数和(自身を除く): 152747874

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 47, 50, 69, 75, 90, 94, 115, 138, 141, 150, 167, 207, 225, 230, 235, 282, 334, 345, 414, 423, 450, 470, 501, 575, 690, 705, 835, 846, 1002, 1035, 1081, 1150, 1175, 1410, 1503, 1670, 1725, 2070, 2115, 2162, 2350, 2505, 3006, 3243, 3450, 3525, 3841, 4175, 4230, 5010, 5175, 5405, 6486, 7050, 7515, 7682, 7849, 8350, 9729, 10350, 10575, 10810, 11523, 12525, 15030, 15698, 16215, 19205, 19458, 21150, 23046, 23547, 25050, 27025, 32430, 34569, 37575, 38410, 39245, 47094, 48645, 54050, 57615, 69138, 70641, 75150, 78490, 81075, 96025, 97290, 115230, 117735, 141282, 162150, 172845, 180527, 192050, 196225, 235470, 243225, 288075, 345690, 353205, 361054, 392450, 486450, 541581, 576150, 588675, 706410, 864225, 902635, 1083162, 1177350, 1624743, 1728450, 1766025, 1805270, 2707905, 3249486, 3532050, 4513175, 5415810, 8123715, 9026350, 13539525, 16247430, 27079050, 40618575, 81237150]

約数ペア:

[(1, 81237150), (2, 40618575), (3, 27079050), (5, 16247430), (6, 13539525), (9, 9026350), (10, 8123715), (15, 5415810), (18, 4513175), (23, 3532050), (25, 3249486), (30, 2707905), (45, 1805270), (46, 1766025), (47, 1728450), (50, 1624743), (69, 1177350), (75, 1083162), (90, 902635), (94, 864225), (115, 706410), (138, 588675), (141, 576150), (150, 541581), (167, 486450), (207, 392450), (225, 361054), (230, 353205), (235, 345690), (282, 288075), (334, 243225), (345, 235470), (414, 196225), (423, 192050), (450, 180527), (470, 172845), (501, 162150), (575, 141282), (690, 117735), (705, 115230), (835, 97290), (846, 96025), (1002, 81075), (1035, 78490), (1081, 75150), (1150, 70641), (1175, 69138), (1410, 57615), (1503, 54050), (1670, 48645), (1725, 47094), (2070, 39245), (2115, 38410), (2162, 37575), (2350, 34569), (2505, 32430), (3006, 27025), (3243, 25050), (3450, 23547), (3525, 23046), (3841, 21150), (4175, 19458), (4230, 19205), (5010, 16215), (5175, 15698), (5405, 15030), (6486, 12525), (7050, 11523), (7515, 10810), (7682, 10575), (7849, 10350), (8350, 9729)]