1778280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 6393600

約数和(自身を除く): 4615320

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, 73, 84, 87, 105, 116, 120, 140, 145, 146, 168, 174, 203, 210, 219, 232, 280, 290, 292, 348, 365, 406, 420, 435, 438, 511, 580, 584, 609, 696, 730, 812, 840, 870, 876, 1015, 1022, 1095, 1160, 1218, 1460, 1533, 1624, 1740, 1752, 2030, 2044, 2117, 2190, 2436, 2555, 2920, 3045, 3066, 3480, 4060, 4088, 4234, 4380, 4872, 5110, 6090, 6132, 6351, 7665, 8120, 8468, 8760, 10220, 10585, 12180, 12264, 12702, 14819, 15330, 16936, 20440, 21170, 24360, 25404, 29638, 30660, 31755, 42340, 44457, 50808, 59276, 61320, 63510, 74095, 84680, 88914, 118552, 127020, 148190, 177828, 222285, 254040, 296380, 355656, 444570, 592760, 889140, 1778280]

約数ペア:

[(1, 1778280), (2, 889140), (3, 592760), (4, 444570), (5, 355656), (6, 296380), (7, 254040), (8, 222285), (10, 177828), (12, 148190), (14, 127020), (15, 118552), (20, 88914), (21, 84680), (24, 74095), (28, 63510), (29, 61320), (30, 59276), (35, 50808), (40, 44457), (42, 42340), (56, 31755), (58, 30660), (60, 29638), (70, 25404), (73, 24360), (84, 21170), (87, 20440), (105, 16936), (116, 15330), (120, 14819), (140, 12702), (145, 12264), (146, 12180), (168, 10585), (174, 10220), (203, 8760), (210, 8468), (219, 8120), (232, 7665), (280, 6351), (290, 6132), (292, 6090), (348, 5110), (365, 4872), (406, 4380), (420, 4234), (435, 4088), (438, 4060), (511, 3480), (580, 3066), (584, 3045), (609, 2920), (696, 2555), (730, 2436), (812, 2190), (840, 2117), (870, 2044), (876, 2030), (1015, 1752), (1022, 1740), (1095, 1624), (1160, 1533), (1218, 1460)]