30728520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5021}}^1$

素因数の和:5055

約数の個数: 96

約数和(自身を含む): 105763320

約数和(自身を除く): 75034800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 5021, 6120, 10042, 15063, 20084, 25105, 30126, 40168, 45189, 50210, 60252, 75315, 85357, 90378, 100420, 120504, 150630, 170714, 180756, 200840, 225945, 256071, 301260, 341428, 361512, 426785, 451890, 512142, 602520, 682856, 768213, 853570, 903780, 1024284, 1280355, 1536426, 1707140, 1807560, 2048568, 2560710, 3072852, 3414280, 3841065, 5121420, 6145704, 7682130, 10242840, 15364260, 30728520]

約数ペア:

[(1, 30728520), (2, 15364260), (3, 10242840), (4, 7682130), (5, 6145704), (6, 5121420), (8, 3841065), (9, 3414280), (10, 3072852), (12, 2560710), (15, 2048568), (17, 1807560), (18, 1707140), (20, 1536426), (24, 1280355), (30, 1024284), (34, 903780), (36, 853570), (40, 768213), (45, 682856), (51, 602520), (60, 512142), (68, 451890), (72, 426785), (85, 361512), (90, 341428), (102, 301260), (120, 256071), (136, 225945), (153, 200840), (170, 180756), (180, 170714), (204, 150630), (255, 120504), (306, 100420), (340, 90378), (360, 85357), (408, 75315), (510, 60252), (612, 50210), (680, 45189), (765, 40168), (1020, 30126), (1224, 25105), (1530, 20084), (2040, 15063), (3060, 10042), (5021, 6120)]