61378740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 198918720

約数和(自身を除く): 137539980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 131, 137, 171, 180, 190, 228, 262, 274, 285, 342, 380, 393, 411, 524, 548, 570, 655, 684, 685, 786, 822, 855, 1140, 1179, 1233, 1310, 1370, 1572, 1644, 1710, 1965, 2055, 2358, 2466, 2489, 2603, 2620, 2740, 3420, 3930, 4110, 4716, 4932, 4978, 5206, 5895, 6165, 7467, 7809, 7860, 8220, 9956, 10412, 11790, 12330, 12445, 13015, 14934, 15618, 17947, 22401, 23427, 23580, 24660, 24890, 26030, 29868, 31236, 35894, 37335, 39045, 44802, 46854, 49780, 52060, 53841, 71788, 74670, 78090, 89604, 89735, 93708, 107682, 112005, 117135, 149340, 156180, 161523, 179470, 215364, 224010, 234270, 269205, 323046, 340993, 358940, 448020, 468540, 538410, 646092, 681986, 807615, 1022979, 1076820, 1363972, 1615230, 1704965, 2045958, 3068937, 3230460, 3409930, 4091916, 5114895, 6137874, 6819860, 10229790, 12275748, 15344685, 20459580, 30689370, 61378740]

約数ペア:

[(1, 61378740), (2, 30689370), (3, 20459580), (4, 15344685), (5, 12275748), (6, 10229790), (9, 6819860), (10, 6137874), (12, 5114895), (15, 4091916), (18, 3409930), (19, 3230460), (20, 3068937), (30, 2045958), (36, 1704965), (38, 1615230), (45, 1363972), (57, 1076820), (60, 1022979), (76, 807615), (90, 681986), (95, 646092), (114, 538410), (131, 468540), (137, 448020), (171, 358940), (180, 340993), (190, 323046), (228, 269205), (262, 234270), (274, 224010), (285, 215364), (342, 179470), (380, 161523), (393, 156180), (411, 149340), (524, 117135), (548, 112005), (570, 107682), (655, 93708), (684, 89735), (685, 89604), (786, 78090), (822, 74670), (855, 71788), (1140, 53841), (1179, 52060), (1233, 49780), (1310, 46854), (1370, 44802), (1572, 39045), (1644, 37335), (1710, 35894), (1965, 31236), (2055, 29868), (2358, 26030), (2466, 24890), (2489, 24660), (2603, 23580), (2620, 23427), (2740, 22401), (3420, 17947), (3930, 15618), (4110, 14934), (4716, 13015), (4932, 12445), (4978, 12330), (5206, 11790), (5895, 10412), (6165, 9956), (7467, 8220), (7809, 7860)]