213020880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:621

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 494076720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 109, 120, 136, 170, 204, 218, 240, 255, 272, 327, 340, 408, 436, 479, 510, 545, 654, 680, 816, 872, 958, 1020, 1090, 1308, 1360, 1437, 1635, 1744, 1853, 1916, 2040, 2180, 2395, 2616, 2874, 3270, 3706, 3832, 4080, 4360, 4790, 5232, 5559, 5748, 6540, 7185, 7412, 7664, 8143, 8720, 9265, 9580, 11118, 11496, 13080, 14370, 14824, 16286, 18530, 19160, 22236, 22992, 24429, 26160, 27795, 28740, 29648, 32572, 37060, 38320, 40715, 44472, 48858, 52211, 55590, 57480, 65144, 74120, 81430, 88944, 97716, 104422, 111180, 114960, 122145, 130288, 148240, 156633, 162860, 195432, 208844, 222360, 244290, 261055, 313266, 325720, 390864, 417688, 444720, 488580, 522110, 626532, 651440, 783165, 835376, 887587, 977160, 1044220, 1253064, 1566330, 1775174, 1954320, 2088440, 2506128, 2662761, 3132660, 3550348, 4176880, 4437935, 5325522, 6265320, 7100696, 8875870, 10651044, 12530640, 13313805, 14201392, 17751740, 21302088, 26627610, 35503480, 42604176, 53255220, 71006960, 106510440, 213020880]

約数ペア:

[(1, 213020880), (2, 106510440), (3, 71006960), (4, 53255220), (5, 42604176), (6, 35503480), (8, 26627610), (10, 21302088), (12, 17751740), (15, 14201392), (16, 13313805), (17, 12530640), (20, 10651044), (24, 8875870), (30, 7100696), (34, 6265320), (40, 5325522), (48, 4437935), (51, 4176880), (60, 3550348), (68, 3132660), (80, 2662761), (85, 2506128), (102, 2088440), (109, 1954320), (120, 1775174), (136, 1566330), (170, 1253064), (204, 1044220), (218, 977160), (240, 887587), (255, 835376), (272, 783165), (327, 651440), (340, 626532), (408, 522110), (436, 488580), (479, 444720), (510, 417688), (545, 390864), (654, 325720), (680, 313266), (816, 261055), (872, 244290), (958, 222360), (1020, 208844), (1090, 195432), (1308, 162860), (1360, 156633), (1437, 148240), (1635, 130288), (1744, 122145), (1853, 114960), (1916, 111180), (2040, 104422), (2180, 97716), (2395, 88944), (2616, 81430), (2874, 74120), (3270, 65144), (3706, 57480), (3832, 55590), (4080, 52211), (4360, 48858), (4790, 44472), (5232, 40715), (5559, 38320), (5748, 37060), (6540, 32572), (7185, 29648), (7412, 28740), (7664, 27795), (8143, 26160), (8720, 24429), (9265, 22992), (9580, 22236), (11118, 19160), (11496, 18530), (13080, 16286), (14370, 14824)]