81562050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{859}}^1$

素因数の和:1088

約数の個数: 72

約数和(自身を含む): 220424880

約数和(自身を除く): 138862830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 211, 225, 422, 450, 633, 859, 1055, 1266, 1718, 1899, 2110, 2577, 3165, 3798, 4295, 5154, 5275, 6330, 7731, 8590, 9495, 10550, 12885, 15462, 15825, 18990, 21475, 25770, 31650, 38655, 42950, 47475, 64425, 77310, 94950, 128850, 181249, 193275, 362498, 386550, 543747, 906245, 1087494, 1631241, 1812490, 2718735, 3262482, 4531225, 5437470, 8156205, 9062450, 13593675, 16312410, 27187350, 40781025, 81562050]

約数ペア:

[(1, 81562050), (2, 40781025), (3, 27187350), (5, 16312410), (6, 13593675), (9, 9062450), (10, 8156205), (15, 5437470), (18, 4531225), (25, 3262482), (30, 2718735), (45, 1812490), (50, 1631241), (75, 1087494), (90, 906245), (150, 543747), (211, 386550), (225, 362498), (422, 193275), (450, 181249), (633, 128850), (859, 94950), (1055, 77310), (1266, 64425), (1718, 47475), (1899, 42950), (2110, 38655), (2577, 31650), (3165, 25770), (3798, 21475), (4295, 18990), (5154, 15825), (5275, 15462), (6330, 12885), (7731, 10550), (8590, 9495)]