2905020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{16139}}^1$

素因数の和:16154

約数の個数: 36

約数和(自身を含む): 8812440

約数和(自身を除く): 5907420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 16139, 32278, 48417, 64556, 80695, 96834, 145251, 161390, 193668, 242085, 290502, 322780, 484170, 581004, 726255, 968340, 1452510, 2905020]

約数ペア:

[(1, 2905020), (2, 1452510), (3, 968340), (4, 726255), (5, 581004), (6, 484170), (9, 322780), (10, 290502), (12, 242085), (15, 193668), (18, 161390), (20, 145251), (30, 96834), (36, 80695), (45, 64556), (60, 48417), (90, 32278), (180, 16139)]