245514960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 880925760

約数和(自身を除く): 635410800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 131, 137, 144, 152, 171, 180, 190, 228, 240, 262, 274, 285, 304, 342, 360, 380, 393, 411, 456, 524, 548, 570, 655, 684, 685, 720, 760, 786, 822, 855, 912, 1048, 1096, 1140, 1179, 1233, 1310, 1368, 1370, 1520, 1572, 1644, 1710, 1965, 2055, 2096, 2192, 2280, 2358, 2466, 2489, 2603, 2620, 2736, 2740, 3144, 3288, 3420, 3930, 4110, 4560, 4716, 4932, 4978, 5206, 5240, 5480, 5895, 6165, 6288, 6576, 6840, 7467, 7809, 7860, 8220, 9432, 9864, 9956, 10412, 10480, 10960, 11790, 12330, 12445, 13015, 13680, 14934, 15618, 15720, 16440, 17947, 18864, 19728, 19912, 20824, 22401, 23427, 23580, 24660, 24890, 26030, 29868, 31236, 31440, 32880, 35894, 37335, 39045, 39824, 41648, 44802, 46854, 47160, 49320, 49780, 52060, 53841, 59736, 62472, 71788, 74670, 78090, 89604, 89735, 93708, 94320, 98640, 99560, 104120, 107682, 112005, 117135, 119472, 124944, 143576, 149340, 156180, 161523, 179208, 179470, 187416, 199120, 208240, 215364, 224010, 234270, 269205, 287152, 298680, 312360, 323046, 340993, 358416, 358940, 374832, 430728, 448020, 468540, 538410, 597360, 624720, 646092, 681986, 717880, 807615, 861456, 896040, 937080, 1022979, 1076820, 1292184, 1363972, 1435760, 1615230, 1704965, 1792080, 1874160, 2045958, 2153640, 2584368, 2727944, 3068937, 3230460, 3409930, 4091916, 4307280, 5114895, 5455888, 6137874, 6460920, 6819860, 8183832, 10229790, 12275748, 12921840, 13639720, 15344685, 16367664, 20459580, 24551496, 27279440, 30689370, 40919160, 49102992, 61378740, 81838320, 122757480, 245514960]

約数ペア:

[(1, 245514960), (2, 122757480), (3, 81838320), (4, 61378740), (5, 49102992), (6, 40919160), (8, 30689370), (9, 27279440), (10, 24551496), (12, 20459580), (15, 16367664), (16, 15344685), (18, 13639720), (19, 12921840), (20, 12275748), (24, 10229790), (30, 8183832), (36, 6819860), (38, 6460920), (40, 6137874), (45, 5455888), (48, 5114895), (57, 4307280), (60, 4091916), (72, 3409930), (76, 3230460), (80, 3068937), (90, 2727944), (95, 2584368), (114, 2153640), (120, 2045958), (131, 1874160), (137, 1792080), (144, 1704965), (152, 1615230), (171, 1435760), (180, 1363972), (190, 1292184), (228, 1076820), (240, 1022979), (262, 937080), (274, 896040), (285, 861456), (304, 807615), (342, 717880), (360, 681986), (380, 646092), (393, 624720), (411, 597360), (456, 538410), (524, 468540), (548, 448020), (570, 430728), (655, 374832), (684, 358940), (685, 358416), (720, 340993), (760, 323046), (786, 312360), (822, 298680), (855, 287152), (912, 269205), (1048, 234270), (1096, 224010), (1140, 215364), (1179, 208240), (1233, 199120), (1310, 187416), (1368, 179470), (1370, 179208), (1520, 161523), (1572, 156180), (1644, 149340), (1710, 143576), (1965, 124944), (2055, 119472), (2096, 117135), (2192, 112005), (2280, 107682), (2358, 104120), (2466, 99560), (2489, 98640), (2603, 94320), (2620, 93708), (2736, 89735), (2740, 89604), (3144, 78090), (3288, 74670), (3420, 71788), (3930, 62472), (4110, 59736), (4560, 53841), (4716, 52060), (4932, 49780), (4978, 49320), (5206, 47160), (5240, 46854), (5480, 44802), (5895, 41648), (6165, 39824), (6288, 39045), (6576, 37335), (6840, 35894), (7467, 32880), (7809, 31440), (7860, 31236), (8220, 29868), (9432, 26030), (9864, 24890), (9956, 24660), (10412, 23580), (10480, 23427), (10960, 22401), (11790, 20824), (12330, 19912), (12445, 19728), (13015, 18864), (13680, 17947), (14934, 16440), (15618, 15720)]