31573620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 104936832

約数和(自身を除く): 73363212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 103, 117, 130, 131, 156, 180, 195, 206, 234, 260, 262, 309, 390, 393, 412, 468, 515, 524, 585, 618, 655, 780, 786, 927, 1030, 1170, 1179, 1236, 1310, 1339, 1545, 1572, 1703, 1854, 1965, 2060, 2340, 2358, 2620, 2678, 3090, 3406, 3708, 3930, 4017, 4635, 4716, 5109, 5356, 5895, 6180, 6695, 6812, 7860, 8034, 8515, 9270, 10218, 11790, 12051, 13390, 13493, 15327, 16068, 17030, 18540, 20085, 20436, 23580, 24102, 25545, 26780, 26986, 30654, 34060, 40170, 40479, 48204, 51090, 53972, 60255, 61308, 67465, 76635, 80340, 80958, 102180, 120510, 121437, 134930, 153270, 161916, 175409, 202395, 241020, 242874, 269860, 306540, 350818, 404790, 485748, 526227, 607185, 701636, 809580, 877045, 1052454, 1214370, 1578681, 1754090, 2104908, 2428740, 2631135, 3157362, 3508180, 5262270, 6314724, 7893405, 10524540, 15786810, 31573620]

約数ペア:

[(1, 31573620), (2, 15786810), (3, 10524540), (4, 7893405), (5, 6314724), (6, 5262270), (9, 3508180), (10, 3157362), (12, 2631135), (13, 2428740), (15, 2104908), (18, 1754090), (20, 1578681), (26, 1214370), (30, 1052454), (36, 877045), (39, 809580), (45, 701636), (52, 607185), (60, 526227), (65, 485748), (78, 404790), (90, 350818), (103, 306540), (117, 269860), (130, 242874), (131, 241020), (156, 202395), (180, 175409), (195, 161916), (206, 153270), (234, 134930), (260, 121437), (262, 120510), (309, 102180), (390, 80958), (393, 80340), (412, 76635), (468, 67465), (515, 61308), (524, 60255), (585, 53972), (618, 51090), (655, 48204), (780, 40479), (786, 40170), (927, 34060), (1030, 30654), (1170, 26986), (1179, 26780), (1236, 25545), (1310, 24102), (1339, 23580), (1545, 20436), (1572, 20085), (1703, 18540), (1854, 17030), (1965, 16068), (2060, 15327), (2340, 13493), (2358, 13390), (2620, 12051), (2678, 11790), (3090, 10218), (3406, 9270), (3708, 8515), (3930, 8034), (4017, 7860), (4635, 6812), (4716, 6695), (5109, 6180), (5356, 5895)]