30845640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{36721}}^1$

素因数の和:36742

約数の個数: 64

約数和(自身を含む): 105759360

約数和(自身を除く): 74913720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 36721, 73442, 110163, 146884, 183605, 220326, 257047, 293768, 367210, 440652, 514094, 550815, 734420, 771141, 881304, 1028188, 1101630, 1285235, 1468840, 1542282, 2056376, 2203260, 2570470, 3084564, 3855705, 4406520, 5140940, 6169128, 7711410, 10281880, 15422820, 30845640]

約数ペア:

[(1, 30845640), (2, 15422820), (3, 10281880), (4, 7711410), (5, 6169128), (6, 5140940), (7, 4406520), (8, 3855705), (10, 3084564), (12, 2570470), (14, 2203260), (15, 2056376), (20, 1542282), (21, 1468840), (24, 1285235), (28, 1101630), (30, 1028188), (35, 881304), (40, 771141), (42, 734420), (56, 550815), (60, 514094), (70, 440652), (84, 367210), (105, 293768), (120, 257047), (140, 220326), (168, 183605), (210, 146884), (280, 110163), (420, 73442), (840, 36721)]