17815280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 49014720

約数和(自身を除く): 31199440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1097, 1160, 1624, 2030, 2194, 2320, 3248, 4060, 4388, 5485, 7679, 8120, 8776, 10970, 15358, 16240, 17552, 21940, 30716, 31813, 38395, 43880, 61432, 63626, 76790, 87760, 122864, 127252, 153580, 159065, 222691, 254504, 307160, 318130, 445382, 509008, 614320, 636260, 890764, 1113455, 1272520, 1781528, 2226910, 2545040, 3563056, 4453820, 8907640, 17815280]

約数ペア:

[(1, 17815280), (2, 8907640), (4, 4453820), (5, 3563056), (7, 2545040), (8, 2226910), (10, 1781528), (14, 1272520), (16, 1113455), (20, 890764), (28, 636260), (29, 614320), (35, 509008), (40, 445382), (56, 318130), (58, 307160), (70, 254504), (80, 222691), (112, 159065), (116, 153580), (140, 127252), (145, 122864), (203, 87760), (232, 76790), (280, 63626), (290, 61432), (406, 43880), (464, 38395), (560, 31813), (580, 30716), (812, 21940), (1015, 17552), (1097, 16240), (1160, 15358), (1624, 10970), (2030, 8776), (2194, 8120), (2320, 7679), (3248, 5485), (4060, 4388)]