291613280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 192

約数和(自身を含む): 838397952

約数和(自身を除く): 546784672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 160, 185, 217, 224, 227, 248, 259, 280, 296, 310, 370, 434, 454, 496, 518, 560, 592, 620, 740, 868, 908, 992, 1036, 1085, 1120, 1135, 1147, 1184, 1240, 1295, 1480, 1589, 1736, 1816, 2072, 2170, 2270, 2294, 2480, 2590, 2960, 3178, 3472, 3632, 4144, 4340, 4540, 4588, 4960, 5180, 5735, 5920, 6356, 6944, 7037, 7264, 7945, 8029, 8288, 8399, 8680, 9080, 9176, 10360, 11470, 12712, 14074, 15890, 16058, 16798, 17360, 18160, 18352, 20720, 22940, 25424, 28148, 31780, 32116, 33596, 34720, 35185, 36320, 36704, 40145, 41440, 41995, 45880, 49259, 50848, 56296, 58793, 63560, 64232, 67192, 70370, 80290, 83990, 91760, 98518, 112592, 117586, 127120, 128464, 134384, 140740, 160580, 167980, 183520, 197036, 225184, 235172, 246295, 254240, 256928, 260369, 268768, 281480, 293965, 321160, 335960, 394072, 470344, 492590, 520738, 562960, 587930, 642320, 671920, 788144, 940688, 985180, 1041476, 1125920, 1175860, 1284640, 1301845, 1343840, 1576288, 1822583, 1881376, 1970360, 2082952, 2351720, 2603690, 3645166, 3940720, 4165904, 4703440, 5207380, 7290332, 7881440, 8331808, 9112915, 9406880, 10414760, 14580664, 18225830, 20829520, 29161328, 36451660, 41659040, 58322656, 72903320, 145806640, 291613280]

約数ペア:

[(1, 291613280), (2, 145806640), (4, 72903320), (5, 58322656), (7, 41659040), (8, 36451660), (10, 29161328), (14, 20829520), (16, 18225830), (20, 14580664), (28, 10414760), (31, 9406880), (32, 9112915), (35, 8331808), (37, 7881440), (40, 7290332), (56, 5207380), (62, 4703440), (70, 4165904), (74, 3940720), (80, 3645166), (112, 2603690), (124, 2351720), (140, 2082952), (148, 1970360), (155, 1881376), (160, 1822583), (185, 1576288), (217, 1343840), (224, 1301845), (227, 1284640), (248, 1175860), (259, 1125920), (280, 1041476), (296, 985180), (310, 940688), (370, 788144), (434, 671920), (454, 642320), (496, 587930), (518, 562960), (560, 520738), (592, 492590), (620, 470344), (740, 394072), (868, 335960), (908, 321160), (992, 293965), (1036, 281480), (1085, 268768), (1120, 260369), (1135, 256928), (1147, 254240), (1184, 246295), (1240, 235172), (1295, 225184), (1480, 197036), (1589, 183520), (1736, 167980), (1816, 160580), (2072, 140740), (2170, 134384), (2270, 128464), (2294, 127120), (2480, 117586), (2590, 112592), (2960, 98518), (3178, 91760), (3472, 83990), (3632, 80290), (4144, 70370), (4340, 67192), (4540, 64232), (4588, 63560), (4960, 58793), (5180, 56296), (5735, 50848), (5920, 49259), (6356, 45880), (6944, 41995), (7037, 41440), (7264, 40145), (7945, 36704), (8029, 36320), (8288, 35185), (8399, 34720), (8680, 33596), (9080, 32116), (9176, 31780), (10360, 28148), (11470, 25424), (12712, 22940), (14074, 20720), (15890, 18352), (16058, 18160), (16798, 17360)]