17991120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{10709}}^1$

素因数の和:10732

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 45754800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 10709, 21418, 32127, 42836, 53545, 64254, 74963, 85672, 107090, 128508, 149926, 160635, 171344, 214180, 224889, 257016, 299852, 321270, 374815, 428360, 449778, 514032, 599704, 642540, 749630, 856720, 899556, 1124445, 1199408, 1285080, 1499260, 1799112, 2248890, 2570160, 2998520, 3598224, 4497780, 5997040, 8995560, 17991120]

約数ペア:

[(1, 17991120), (2, 8995560), (3, 5997040), (4, 4497780), (5, 3598224), (6, 2998520), (7, 2570160), (8, 2248890), (10, 1799112), (12, 1499260), (14, 1285080), (15, 1199408), (16, 1124445), (20, 899556), (21, 856720), (24, 749630), (28, 642540), (30, 599704), (35, 514032), (40, 449778), (42, 428360), (48, 374815), (56, 321270), (60, 299852), (70, 257016), (80, 224889), (84, 214180), (105, 171344), (112, 160635), (120, 149926), (140, 128508), (168, 107090), (210, 85672), (240, 74963), (280, 64254), (336, 53545), (420, 42836), (560, 32127), (840, 21418), (1680, 10709)]