78415020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{145213}}^1$

素因数の和:145231

約数の個数: 48

約数和(自身を含む): 243959520

約数和(自身を除く): 165544500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 145213, 290426, 435639, 580852, 726065, 871278, 1306917, 1452130, 1742556, 2178195, 2613834, 2904260, 3920751, 4356390, 5227668, 6534585, 7841502, 8712780, 13069170, 15683004, 19603755, 26138340, 39207510, 78415020]

約数ペア:

[(1, 78415020), (2, 39207510), (3, 26138340), (4, 19603755), (5, 15683004), (6, 13069170), (9, 8712780), (10, 7841502), (12, 6534585), (15, 5227668), (18, 4356390), (20, 3920751), (27, 2904260), (30, 2613834), (36, 2178195), (45, 1742556), (54, 1452130), (60, 1306917), (90, 871278), (108, 726065), (135, 580852), (180, 435639), (270, 290426), (540, 145213)]