1562820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^2$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 5084352

約数和(自身を除く): 3521532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3660, 3721, 4270, 5124, 6405, 7442, 8540, 11163, 12810, 14884, 18605, 22326, 25620, 26047, 37210, 44652, 52094, 55815, 74420, 78141, 104188, 111630, 130235, 156282, 223260, 260470, 312564, 390705, 520940, 781410, 1562820]

約数ペア:

[(1, 1562820), (2, 781410), (3, 520940), (4, 390705), (5, 312564), (6, 260470), (7, 223260), (10, 156282), (12, 130235), (14, 111630), (15, 104188), (20, 78141), (21, 74420), (28, 55815), (30, 52094), (35, 44652), (42, 37210), (60, 26047), (61, 25620), (70, 22326), (84, 18605), (105, 14884), (122, 12810), (140, 11163), (183, 8540), (210, 7442), (244, 6405), (305, 5124), (366, 4270), (420, 3721), (427, 3660), (610, 2562), (732, 2135), (854, 1830), (915, 1708), (1220, 1281)]