81626520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40013}}^1$

素因数の和:40044

約数の個数: 64

約数和(自身を含む): 259290720

約数和(自身を除く): 177664200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 40013, 80026, 120039, 160052, 200065, 240078, 320104, 400130, 480156, 600195, 680221, 800260, 960312, 1200390, 1360442, 1600520, 2040663, 2400780, 2720884, 3401105, 4081326, 4801560, 5441768, 6802210, 8162652, 10203315, 13604420, 16325304, 20406630, 27208840, 40813260, 81626520]

約数ペア:

[(1, 81626520), (2, 40813260), (3, 27208840), (4, 20406630), (5, 16325304), (6, 13604420), (8, 10203315), (10, 8162652), (12, 6802210), (15, 5441768), (17, 4801560), (20, 4081326), (24, 3401105), (30, 2720884), (34, 2400780), (40, 2040663), (51, 1600520), (60, 1360442), (68, 1200390), (85, 960312), (102, 800260), (120, 680221), (136, 600195), (170, 480156), (204, 400130), (255, 320104), (340, 240078), (408, 200065), (510, 160052), (680, 120039), (1020, 80026), (2040, 40013)]