439740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{349}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 1528800

約数和(自身を除く): 1089060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 349, 420, 630, 698, 1047, 1260, 1396, 1745, 2094, 2443, 3141, 3490, 4188, 4886, 5235, 6282, 6980, 7329, 9772, 10470, 12215, 12564, 14658, 15705, 20940, 21987, 24430, 29316, 31410, 36645, 43974, 48860, 62820, 73290, 87948, 109935, 146580, 219870, 439740]

約数ペア:

[(1, 439740), (2, 219870), (3, 146580), (4, 109935), (5, 87948), (6, 73290), (7, 62820), (9, 48860), (10, 43974), (12, 36645), (14, 31410), (15, 29316), (18, 24430), (20, 21987), (21, 20940), (28, 15705), (30, 14658), (35, 12564), (36, 12215), (42, 10470), (45, 9772), (60, 7329), (63, 6980), (70, 6282), (84, 5235), (90, 4886), (105, 4188), (126, 3490), (140, 3141), (180, 2443), (210, 2094), (252, 1745), (315, 1396), (349, 1260), (420, 1047), (630, 698)]