18243120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{10859}}^1$

素因数の和:10882

約数の個数: 80

約数和(自身を含む): 64638720

約数和(自身を除く): 46395600

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, 10859, 21718, 32577, 43436, 54295, 65154, 76013, 86872, 108590, 130308, 152026, 162885, 173744, 217180, 228039, 260616, 304052, 325770, 380065, 434360, 456078, 521232, 608104, 651540, 760130, 868720, 912156, 1140195, 1216208, 1303080, 1520260, 1824312, 2280390, 2606160, 3040520, 3648624, 4560780, 6081040, 9121560, 18243120]

約数ペア:

[(1, 18243120), (2, 9121560), (3, 6081040), (4, 4560780), (5, 3648624), (6, 3040520), (7, 2606160), (8, 2280390), (10, 1824312), (12, 1520260), (14, 1303080), (15, 1216208), (16, 1140195), (20, 912156), (21, 868720), (24, 760130), (28, 651540), (30, 608104), (35, 521232), (40, 456078), (42, 434360), (48, 380065), (56, 325770), (60, 304052), (70, 260616), (80, 228039), (84, 217180), (105, 173744), (112, 162885), (120, 152026), (140, 130308), (168, 108590), (210, 86872), (240, 76013), (280, 65154), (336, 54295), (420, 43436), (560, 32577), (840, 21718), (1680, 10859)]