17918520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 58752000

約数和(自身を除く): 40833480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 271, 285, 290, 348, 380, 435, 456, 542, 551, 570, 580, 696, 760, 813, 870, 1084, 1102, 1140, 1160, 1355, 1626, 1653, 1740, 2168, 2204, 2280, 2710, 2755, 3252, 3306, 3480, 4065, 4408, 5149, 5420, 5510, 6504, 6612, 7859, 8130, 8265, 10298, 10840, 11020, 13224, 15447, 15718, 16260, 16530, 20596, 22040, 23577, 25745, 30894, 31436, 32520, 33060, 39295, 41192, 47154, 51490, 61788, 62872, 66120, 77235, 78590, 94308, 102980, 117885, 123576, 149321, 154470, 157180, 188616, 205960, 235770, 298642, 308940, 314360, 447963, 471540, 597284, 617880, 746605, 895926, 943080, 1194568, 1493210, 1791852, 2239815, 2986420, 3583704, 4479630, 5972840, 8959260, 17918520]

約数ペア:

[(1, 17918520), (2, 8959260), (3, 5972840), (4, 4479630), (5, 3583704), (6, 2986420), (8, 2239815), (10, 1791852), (12, 1493210), (15, 1194568), (19, 943080), (20, 895926), (24, 746605), (29, 617880), (30, 597284), (38, 471540), (40, 447963), (57, 314360), (58, 308940), (60, 298642), (76, 235770), (87, 205960), (95, 188616), (114, 157180), (116, 154470), (120, 149321), (145, 123576), (152, 117885), (174, 102980), (190, 94308), (228, 78590), (232, 77235), (271, 66120), (285, 62872), (290, 61788), (348, 51490), (380, 47154), (435, 41192), (456, 39295), (542, 33060), (551, 32520), (570, 31436), (580, 30894), (696, 25745), (760, 23577), (813, 22040), (870, 20596), (1084, 16530), (1102, 16260), (1140, 15718), (1160, 15447), (1355, 13224), (1626, 11020), (1653, 10840), (1740, 10298), (2168, 8265), (2204, 8130), (2280, 7859), (2710, 6612), (2755, 6504), (3252, 5510), (3306, 5420), (3480, 5149), (4065, 4408)]