81815250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 228593664

約数和(自身を除く): 146778414

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 47, 50, 55, 66, 75, 94, 110, 125, 141, 150, 165, 211, 235, 250, 275, 282, 330, 375, 422, 470, 517, 550, 633, 705, 750, 825, 1034, 1055, 1175, 1266, 1375, 1410, 1551, 1650, 2110, 2321, 2350, 2585, 2750, 3102, 3165, 3525, 4125, 4642, 5170, 5275, 5875, 6330, 6963, 7050, 7755, 8250, 9917, 10550, 11605, 11750, 12925, 13926, 15510, 15825, 17625, 19834, 23210, 25850, 26375, 29751, 31650, 34815, 35250, 38775, 49585, 52750, 58025, 59502, 64625, 69630, 77550, 79125, 99170, 109087, 116050, 129250, 148755, 158250, 174075, 193875, 218174, 247925, 290125, 297510, 327261, 348150, 387750, 495850, 545435, 580250, 654522, 743775, 870375, 1090870, 1239625, 1487550, 1636305, 1740750, 2479250, 2727175, 3272610, 3718875, 5454350, 7437750, 8181525, 13635875, 16363050, 27271750, 40907625, 81815250]

約数ペア:

[(1, 81815250), (2, 40907625), (3, 27271750), (5, 16363050), (6, 13635875), (10, 8181525), (11, 7437750), (15, 5454350), (22, 3718875), (25, 3272610), (30, 2727175), (33, 2479250), (47, 1740750), (50, 1636305), (55, 1487550), (66, 1239625), (75, 1090870), (94, 870375), (110, 743775), (125, 654522), (141, 580250), (150, 545435), (165, 495850), (211, 387750), (235, 348150), (250, 327261), (275, 297510), (282, 290125), (330, 247925), (375, 218174), (422, 193875), (470, 174075), (517, 158250), (550, 148755), (633, 129250), (705, 116050), (750, 109087), (825, 99170), (1034, 79125), (1055, 77550), (1175, 69630), (1266, 64625), (1375, 59502), (1410, 58025), (1551, 52750), (1650, 49585), (2110, 38775), (2321, 35250), (2350, 34815), (2585, 31650), (2750, 29751), (3102, 26375), (3165, 25850), (3525, 23210), (4125, 19834), (4642, 17625), (5170, 15825), (5275, 15510), (5875, 13926), (6330, 12925), (6963, 11750), (7050, 11605), (7755, 10550), (8250, 9917)]