18440520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:807

約数の個数: 128

約数和(自身を含む): 65491200

約数和(自身を除く): 47050680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 757, 812, 840, 870, 1015, 1160, 1218, 1514, 1624, 1740, 2030, 2271, 2436, 3028, 3045, 3480, 3785, 4060, 4542, 4872, 5299, 6056, 6090, 7570, 8120, 9084, 10598, 11355, 12180, 15140, 15897, 18168, 21196, 21953, 22710, 24360, 26495, 30280, 31794, 42392, 43906, 45420, 52990, 63588, 65859, 79485, 87812, 90840, 105980, 109765, 127176, 131718, 153671, 158970, 175624, 211960, 219530, 263436, 307342, 317940, 329295, 439060, 461013, 526872, 614684, 635880, 658590, 768355, 878120, 922026, 1229368, 1317180, 1536710, 1844052, 2305065, 2634360, 3073420, 3688104, 4610130, 6146840, 9220260, 18440520]

約数ペア:

[(1, 18440520), (2, 9220260), (3, 6146840), (4, 4610130), (5, 3688104), (6, 3073420), (7, 2634360), (8, 2305065), (10, 1844052), (12, 1536710), (14, 1317180), (15, 1229368), (20, 922026), (21, 878120), (24, 768355), (28, 658590), (29, 635880), (30, 614684), (35, 526872), (40, 461013), (42, 439060), (56, 329295), (58, 317940), (60, 307342), (70, 263436), (84, 219530), (87, 211960), (105, 175624), (116, 158970), (120, 153671), (140, 131718), (145, 127176), (168, 109765), (174, 105980), (203, 90840), (210, 87812), (232, 79485), (280, 65859), (290, 63588), (348, 52990), (406, 45420), (420, 43906), (435, 42392), (580, 31794), (609, 30280), (696, 26495), (757, 24360), (812, 22710), (840, 21953), (870, 21196), (1015, 18168), (1160, 15897), (1218, 15140), (1514, 12180), (1624, 11355), (1740, 10598), (2030, 9084), (2271, 8120), (2436, 7570), (3028, 6090), (3045, 6056), (3480, 5299), (3785, 4872), (4060, 4542)]