71842140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:809

約数の個数: 120

約数和(自身を含む): 229381152

約数和(自身を除く): 157539012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 540, 549, 610, 727, 732, 810, 915, 1098, 1220, 1454, 1620, 1647, 1830, 2181, 2196, 2745, 2908, 3294, 3635, 3660, 4362, 4941, 5490, 6543, 6588, 7270, 8235, 8724, 9882, 10905, 10980, 13086, 14540, 16470, 19629, 19764, 21810, 24705, 26172, 32715, 32940, 39258, 43620, 44347, 49410, 58887, 65430, 78516, 88694, 98145, 98820, 117774, 130860, 133041, 177388, 196290, 221735, 235548, 266082, 294435, 392580, 399123, 443470, 532164, 588870, 665205, 798246, 886940, 1177740, 1197369, 1330410, 1596492, 1995615, 2394738, 2660820, 3592107, 3991230, 4789476, 5986845, 7184214, 7982460, 11973690, 14368428, 17960535, 23947380, 35921070, 71842140]

約数ペア:

[(1, 71842140), (2, 35921070), (3, 23947380), (4, 17960535), (5, 14368428), (6, 11973690), (9, 7982460), (10, 7184214), (12, 5986845), (15, 4789476), (18, 3991230), (20, 3592107), (27, 2660820), (30, 2394738), (36, 1995615), (45, 1596492), (54, 1330410), (60, 1197369), (61, 1177740), (81, 886940), (90, 798246), (108, 665205), (122, 588870), (135, 532164), (162, 443470), (180, 399123), (183, 392580), (244, 294435), (270, 266082), (305, 235548), (324, 221735), (366, 196290), (405, 177388), (540, 133041), (549, 130860), (610, 117774), (727, 98820), (732, 98145), (810, 88694), (915, 78516), (1098, 65430), (1220, 58887), (1454, 49410), (1620, 44347), (1647, 43620), (1830, 39258), (2181, 32940), (2196, 32715), (2745, 26172), (2908, 24705), (3294, 21810), (3635, 19764), (3660, 19629), (4362, 16470), (4941, 14540), (5490, 13086), (6543, 10980), (6588, 10905), (7270, 9882), (8235, 8724)]