81099540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8501}}^1$

素因数の和:8569

約数の個数: 72

約数和(自身を含む): 250672968

約数和(自身を除く): 169573428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 8501, 9540, 17002, 25503, 34004, 42505, 51006, 76509, 85010, 102012, 127515, 153018, 170020, 255030, 306036, 382545, 450553, 510060, 765090, 901106, 1351659, 1530180, 1802212, 2252765, 2703318, 4054977, 4505530, 5406636, 6758295, 8109954, 9011060, 13516590, 16219908, 20274885, 27033180, 40549770, 81099540]

約数ペア:

[(1, 81099540), (2, 40549770), (3, 27033180), (4, 20274885), (5, 16219908), (6, 13516590), (9, 9011060), (10, 8109954), (12, 6758295), (15, 5406636), (18, 4505530), (20, 4054977), (30, 2703318), (36, 2252765), (45, 1802212), (53, 1530180), (60, 1351659), (90, 901106), (106, 765090), (159, 510060), (180, 450553), (212, 382545), (265, 306036), (318, 255030), (477, 170020), (530, 153018), (636, 127515), (795, 102012), (954, 85010), (1060, 76509), (1590, 51006), (1908, 42505), (2385, 34004), (3180, 25503), (4770, 17002), (8501, 9540)]