1380205520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 3507204096

約数和(自身を除く): 2126998576

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 127, 131, 136, 170, 244, 254, 262, 272, 305, 340, 488, 508, 524, 610, 635, 655, 680, 976, 1016, 1037, 1048, 1220, 1270, 1310, 1360, 2032, 2074, 2096, 2159, 2227, 2440, 2540, 2620, 4148, 4318, 4454, 4880, 5080, 5185, 5240, 7747, 7991, 8296, 8636, 8908, 10160, 10370, 10480, 10795, 11135, 15494, 15982, 16592, 16637, 17272, 17816, 20740, 21590, 22270, 30988, 31964, 33274, 34544, 35632, 38735, 39955, 41480, 43180, 44540, 61976, 63928, 66548, 77470, 79910, 82960, 83185, 86360, 89080, 123952, 127856, 131699, 133096, 135847, 154940, 159820, 166370, 172720, 178160, 263398, 266192, 271694, 282829, 309880, 319640, 332740, 526796, 543388, 565658, 619760, 639280, 658495, 665480, 679235, 1014857, 1053592, 1086776, 1131316, 1316990, 1330960, 1358470, 1414145, 2029714, 2107184, 2173552, 2262632, 2633980, 2716940, 2828290, 4059428, 4525264, 5074285, 5267960, 5433880, 5656580, 8118856, 10148570, 10535920, 10867760, 11313160, 16237712, 17252569, 20297140, 22626320, 34505138, 40594280, 69010276, 81188560, 86262845, 138020552, 172525690, 276041104, 345051380, 690102760, 1380205520]

約数ペア:

[(1, 1380205520), (2, 690102760), (4, 345051380), (5, 276041104), (8, 172525690), (10, 138020552), (16, 86262845), (17, 81188560), (20, 69010276), (34, 40594280), (40, 34505138), (61, 22626320), (68, 20297140), (80, 17252569), (85, 16237712), (122, 11313160), (127, 10867760), (131, 10535920), (136, 10148570), (170, 8118856), (244, 5656580), (254, 5433880), (262, 5267960), (272, 5074285), (305, 4525264), (340, 4059428), (488, 2828290), (508, 2716940), (524, 2633980), (610, 2262632), (635, 2173552), (655, 2107184), (680, 2029714), (976, 1414145), (1016, 1358470), (1037, 1330960), (1048, 1316990), (1220, 1131316), (1270, 1086776), (1310, 1053592), (1360, 1014857), (2032, 679235), (2074, 665480), (2096, 658495), (2159, 639280), (2227, 619760), (2440, 565658), (2540, 543388), (2620, 526796), (4148, 332740), (4318, 319640), (4454, 309880), (4880, 282829), (5080, 271694), (5185, 266192), (5240, 263398), (7747, 178160), (7991, 172720), (8296, 166370), (8636, 159820), (8908, 154940), (10160, 135847), (10370, 133096), (10480, 131699), (10795, 127856), (11135, 123952), (15494, 89080), (15982, 86360), (16592, 83185), (16637, 82960), (17272, 79910), (17816, 77470), (20740, 66548), (21590, 63928), (22270, 61976), (30988, 44540), (31964, 43180), (33274, 41480), (34544, 39955), (35632, 38735)]