721030240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1165

約数の個数: 192

約数和(自身を含む): 2117283840

約数和(自身を除く): 1396253600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 608, 620, 665, 760, 868, 992, 1064, 1085, 1093, 1120, 1178, 1240, 1330, 1520, 1736, 2128, 2170, 2186, 2356, 2480, 2660, 2945, 3040, 3472, 4123, 4256, 4340, 4372, 4712, 4960, 5320, 5465, 5890, 6944, 7651, 8246, 8680, 8744, 9424, 10640, 10930, 11780, 15302, 16492, 17360, 17488, 18848, 20615, 20767, 21280, 21860, 23560, 30604, 32984, 33883, 34720, 34976, 38255, 41230, 41534, 43720, 47120, 61208, 65968, 67766, 76510, 82460, 83068, 87440, 94240, 103835, 122416, 131936, 135532, 145369, 153020, 164920, 166136, 169415, 174880, 207670, 237181, 244832, 271064, 290738, 306040, 329840, 332272, 338830, 415340, 474362, 542128, 581476, 612080, 643777, 659680, 664544, 677660, 726845, 830680, 948724, 1084256, 1162952, 1185905, 1224160, 1287554, 1355320, 1453690, 1661360, 1897448, 2325904, 2371810, 2575108, 2710640, 2907380, 3218885, 3322720, 3794896, 4506439, 4651808, 4743620, 5150216, 5421280, 5814760, 6437770, 7589792, 9012878, 9487240, 10300432, 11629520, 12875540, 18025756, 18974480, 20600864, 22532195, 23259040, 25751080, 36051512, 37948960, 45064390, 51502160, 72103024, 90128780, 103004320, 144206048, 180257560, 360515120, 721030240]

約数ペア:

[(1, 721030240), (2, 360515120), (4, 180257560), (5, 144206048), (7, 103004320), (8, 90128780), (10, 72103024), (14, 51502160), (16, 45064390), (19, 37948960), (20, 36051512), (28, 25751080), (31, 23259040), (32, 22532195), (35, 20600864), (38, 18974480), (40, 18025756), (56, 12875540), (62, 11629520), (70, 10300432), (76, 9487240), (80, 9012878), (95, 7589792), (112, 6437770), (124, 5814760), (133, 5421280), (140, 5150216), (152, 4743620), (155, 4651808), (160, 4506439), (190, 3794896), (217, 3322720), (224, 3218885), (248, 2907380), (266, 2710640), (280, 2575108), (304, 2371810), (310, 2325904), (380, 1897448), (434, 1661360), (496, 1453690), (532, 1355320), (560, 1287554), (589, 1224160), (608, 1185905), (620, 1162952), (665, 1084256), (760, 948724), (868, 830680), (992, 726845), (1064, 677660), (1085, 664544), (1093, 659680), (1120, 643777), (1178, 612080), (1240, 581476), (1330, 542128), (1520, 474362), (1736, 415340), (2128, 338830), (2170, 332272), (2186, 329840), (2356, 306040), (2480, 290738), (2660, 271064), (2945, 244832), (3040, 237181), (3472, 207670), (4123, 174880), (4256, 169415), (4340, 166136), (4372, 164920), (4712, 153020), (4960, 145369), (5320, 135532), (5465, 131936), (5890, 122416), (6944, 103835), (7651, 94240), (8246, 87440), (8680, 83068), (8744, 82460), (9424, 76510), (10640, 67766), (10930, 65968), (11780, 61208), (15302, 47120), (16492, 43720), (17360, 41534), (17488, 41230), (18848, 38255), (20615, 34976), (20767, 34720), (21280, 33883), (21860, 32984), (23560, 30604)]