2178450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 6035328

約数和(自身を除く): 3856878

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 47, 50, 75, 90, 94, 103, 141, 150, 206, 225, 235, 282, 309, 423, 450, 470, 515, 618, 705, 846, 927, 1030, 1175, 1410, 1545, 1854, 2115, 2350, 2575, 3090, 3525, 4230, 4635, 4841, 5150, 7050, 7725, 9270, 9682, 10575, 14523, 15450, 21150, 23175, 24205, 29046, 43569, 46350, 48410, 72615, 87138, 121025, 145230, 217845, 242050, 363075, 435690, 726150, 1089225, 2178450]

約数ペア:

[(1, 2178450), (2, 1089225), (3, 726150), (5, 435690), (6, 363075), (9, 242050), (10, 217845), (15, 145230), (18, 121025), (25, 87138), (30, 72615), (45, 48410), (47, 46350), (50, 43569), (75, 29046), (90, 24205), (94, 23175), (103, 21150), (141, 15450), (150, 14523), (206, 10575), (225, 9682), (235, 9270), (282, 7725), (309, 7050), (423, 5150), (450, 4841), (470, 4635), (515, 4230), (618, 3525), (705, 3090), (846, 2575), (927, 2350), (1030, 2115), (1175, 1854), (1410, 1545)]