900990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 2488320

約数和(自身を除く): 1587330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 71, 90, 94, 135, 141, 142, 213, 235, 270, 282, 355, 423, 426, 470, 639, 705, 710, 846, 1065, 1269, 1278, 1410, 1917, 2115, 2130, 2538, 3195, 3337, 3834, 4230, 6345, 6390, 6674, 9585, 10011, 12690, 16685, 19170, 20022, 30033, 33370, 50055, 60066, 90099, 100110, 150165, 180198, 300330, 450495, 900990]

約数ペア:

[(1, 900990), (2, 450495), (3, 300330), (5, 180198), (6, 150165), (9, 100110), (10, 90099), (15, 60066), (18, 50055), (27, 33370), (30, 30033), (45, 20022), (47, 19170), (54, 16685), (71, 12690), (90, 10011), (94, 9585), (135, 6674), (141, 6390), (142, 6345), (213, 4230), (235, 3834), (270, 3337), (282, 3195), (355, 2538), (423, 2130), (426, 2115), (470, 1917), (639, 1410), (705, 1278), (710, 1269), (846, 1065)]