16731540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{271}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 59404800

約数和(自身を除く): 42673260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 271, 294, 315, 343, 420, 441, 490, 542, 588, 630, 686, 735, 813, 882, 980, 1029, 1084, 1260, 1355, 1372, 1470, 1626, 1715, 1764, 1897, 2058, 2205, 2439, 2710, 2940, 3087, 3252, 3430, 3794, 4065, 4116, 4410, 4878, 5145, 5420, 5691, 6174, 6860, 7588, 8130, 8820, 9485, 9756, 10290, 11382, 12195, 12348, 13279, 15435, 16260, 17073, 18970, 20580, 22764, 24390, 26558, 28455, 30870, 34146, 37940, 39837, 48780, 53116, 56910, 61740, 66395, 68292, 79674, 85365, 92953, 113820, 119511, 132790, 159348, 170730, 185906, 199185, 239022, 265580, 278859, 341460, 371812, 398370, 464765, 478044, 557718, 597555, 796740, 836577, 929530, 1115436, 1195110, 1394295, 1673154, 1859060, 2390220, 2788590, 3346308, 4182885, 5577180, 8365770, 16731540]

約数ペア:

[(1, 16731540), (2, 8365770), (3, 5577180), (4, 4182885), (5, 3346308), (6, 2788590), (7, 2390220), (9, 1859060), (10, 1673154), (12, 1394295), (14, 1195110), (15, 1115436), (18, 929530), (20, 836577), (21, 796740), (28, 597555), (30, 557718), (35, 478044), (36, 464765), (42, 398370), (45, 371812), (49, 341460), (60, 278859), (63, 265580), (70, 239022), (84, 199185), (90, 185906), (98, 170730), (105, 159348), (126, 132790), (140, 119511), (147, 113820), (180, 92953), (196, 85365), (210, 79674), (245, 68292), (252, 66395), (271, 61740), (294, 56910), (315, 53116), (343, 48780), (420, 39837), (441, 37940), (490, 34146), (542, 30870), (588, 28455), (630, 26558), (686, 24390), (735, 22764), (813, 20580), (882, 18970), (980, 17073), (1029, 16260), (1084, 15435), (1260, 13279), (1355, 12348), (1372, 12195), (1470, 11382), (1626, 10290), (1715, 9756), (1764, 9485), (1897, 8820), (2058, 8130), (2205, 7588), (2439, 6860), (2710, 6174), (2940, 5691), (3087, 5420), (3252, 5145), (3430, 4878), (3794, 4410), (4065, 4116)]