320665488

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 240

約数和(自身を含む): 1019601408

約数和(自身を除く): 698935920

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 33, 39, 44, 48, 52, 62, 66, 78, 88, 93, 104, 121, 124, 132, 137, 143, 156, 176, 186, 208, 242, 248, 264, 274, 286, 312, 341, 363, 372, 403, 411, 429, 484, 496, 528, 548, 572, 624, 682, 726, 744, 806, 822, 858, 968, 1023, 1096, 1144, 1209, 1364, 1452, 1488, 1507, 1573, 1612, 1644, 1716, 1781, 1936, 2046, 2192, 2288, 2418, 2728, 2904, 3014, 3146, 3224, 3288, 3432, 3562, 3751, 4092, 4247, 4433, 4521, 4719, 4836, 5343, 5456, 5808, 6028, 6292, 6448, 6576, 6864, 7124, 7502, 8184, 8494, 8866, 9042, 9438, 9672, 10686, 11253, 12056, 12584, 12741, 13299, 14248, 15004, 16368, 16577, 16988, 17732, 18084, 18876, 19344, 19591, 21372, 22506, 24112, 25168, 25482, 26598, 28496, 30008, 33154, 33976, 35464, 36168, 37752, 39182, 42744, 45012, 46717, 48763, 49731, 50964, 53196, 55211, 58773, 60016, 66308, 67952, 70928, 72336, 75504, 78364, 85488, 90024, 93434, 97526, 99462, 101928, 106392, 110422, 117546, 132616, 140151, 146289, 156728, 165633, 180048, 186868, 195052, 198924, 203856, 212784, 215501, 220844, 235092, 265232, 280302, 292578, 313456, 331266, 373736, 390104, 397848, 431002, 441688, 470184, 513887, 560604, 585156, 607321, 646503, 662532, 747472, 780208, 795696, 862004, 883376, 940368, 1027774, 1121208, 1170312, 1214642, 1293006, 1325064, 1541661, 1724008, 1821963, 2055548, 2242416, 2340624, 2429284, 2586012, 2650128, 3083322, 3448016, 3643926, 4111096, 4858568, 5172024, 6166644, 6680531, 7287852, 8222192, 9717136, 10344048, 12333288, 13361062, 14575704, 20041593, 24666576, 26722124, 29151408, 40083186, 53444248, 80166372, 106888496, 160332744, 320665488]

約数ペア:

[(1, 320665488), (2, 160332744), (3, 106888496), (4, 80166372), (6, 53444248), (8, 40083186), (11, 29151408), (12, 26722124), (13, 24666576), (16, 20041593), (22, 14575704), (24, 13361062), (26, 12333288), (31, 10344048), (33, 9717136), (39, 8222192), (44, 7287852), (48, 6680531), (52, 6166644), (62, 5172024), (66, 4858568), (78, 4111096), (88, 3643926), (93, 3448016), (104, 3083322), (121, 2650128), (124, 2586012), (132, 2429284), (137, 2340624), (143, 2242416), (156, 2055548), (176, 1821963), (186, 1724008), (208, 1541661), (242, 1325064), (248, 1293006), (264, 1214642), (274, 1170312), (286, 1121208), (312, 1027774), (341, 940368), (363, 883376), (372, 862004), (403, 795696), (411, 780208), (429, 747472), (484, 662532), (496, 646503), (528, 607321), (548, 585156), (572, 560604), (624, 513887), (682, 470184), (726, 441688), (744, 431002), (806, 397848), (822, 390104), (858, 373736), (968, 331266), (1023, 313456), (1096, 292578), (1144, 280302), (1209, 265232), (1364, 235092), (1452, 220844), (1488, 215501), (1507, 212784), (1573, 203856), (1612, 198924), (1644, 195052), (1716, 186868), (1781, 180048), (1936, 165633), (2046, 156728), (2192, 146289), (2288, 140151), (2418, 132616), (2728, 117546), (2904, 110422), (3014, 106392), (3146, 101928), (3224, 99462), (3288, 97526), (3432, 93434), (3562, 90024), (3751, 85488), (4092, 78364), (4247, 75504), (4433, 72336), (4521, 70928), (4719, 67952), (4836, 66308), (5343, 60016), (5456, 58773), (5808, 55211), (6028, 53196), (6292, 50964), (6448, 49731), (6576, 48763), (6864, 46717), (7124, 45012), (7502, 42744), (8184, 39182), (8494, 37752), (8866, 36168), (9042, 35464), (9438, 33976), (9672, 33154), (10686, 30008), (11253, 28496), (12056, 26598), (12584, 25482), (12741, 25168), (13299, 24112), (14248, 22506), (15004, 21372), (16368, 19591), (16577, 19344), (16988, 18876), (17732, 18084)]