581201920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 208

約数和(自身を含む): 1568740320

約数和(自身を除く): 987538400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 59, 64, 65, 74, 80, 104, 118, 128, 130, 148, 160, 185, 208, 236, 256, 260, 295, 296, 320, 370, 416, 472, 481, 512, 520, 590, 592, 640, 740, 767, 832, 944, 962, 1024, 1040, 1180, 1184, 1280, 1480, 1534, 1664, 1888, 1924, 2048, 2080, 2183, 2360, 2368, 2405, 2560, 2960, 3068, 3328, 3776, 3835, 3848, 4096, 4160, 4366, 4720, 4736, 4810, 5120, 5920, 6136, 6656, 7552, 7670, 7696, 8320, 8732, 9440, 9472, 9620, 10240, 10915, 11840, 12272, 13312, 15104, 15340, 15392, 16640, 17464, 18880, 18944, 19240, 20480, 21830, 23680, 24544, 26624, 28379, 30208, 30680, 30784, 33280, 34928, 37760, 37888, 38480, 43660, 47360, 49088, 53248, 56758, 60416, 61360, 61568, 66560, 69856, 75520, 75776, 76960, 87320, 94720, 98176, 113516, 120832, 122720, 123136, 133120, 139712, 141895, 151040, 151552, 153920, 174640, 189440, 196352, 227032, 241664, 245440, 246272, 266240, 279424, 283790, 302080, 307840, 349280, 378880, 392704, 454064, 490880, 492544, 558848, 567580, 604160, 615680, 698560, 757760, 785408, 908128, 981760, 985088, 1117696, 1135160, 1208320, 1231360, 1397120, 1570816, 1816256, 1963520, 1970176, 2235392, 2270320, 2462720, 2794240, 3141632, 3632512, 3927040, 4470784, 4540640, 4925440, 5588480, 7265024, 7854080, 8941568, 9081280, 9850880, 11176960, 14530048, 15708160, 18162560, 22353920, 29060096, 36325120, 44707840, 58120192, 72650240, 116240384, 145300480, 290600960, 581201920]

約数ペア:

[(1, 581201920), (2, 290600960), (4, 145300480), (5, 116240384), (8, 72650240), (10, 58120192), (13, 44707840), (16, 36325120), (20, 29060096), (26, 22353920), (32, 18162560), (37, 15708160), (40, 14530048), (52, 11176960), (59, 9850880), (64, 9081280), (65, 8941568), (74, 7854080), (80, 7265024), (104, 5588480), (118, 4925440), (128, 4540640), (130, 4470784), (148, 3927040), (160, 3632512), (185, 3141632), (208, 2794240), (236, 2462720), (256, 2270320), (260, 2235392), (295, 1970176), (296, 1963520), (320, 1816256), (370, 1570816), (416, 1397120), (472, 1231360), (481, 1208320), (512, 1135160), (520, 1117696), (590, 985088), (592, 981760), (640, 908128), (740, 785408), (767, 757760), (832, 698560), (944, 615680), (962, 604160), (1024, 567580), (1040, 558848), (1180, 492544), (1184, 490880), (1280, 454064), (1480, 392704), (1534, 378880), (1664, 349280), (1888, 307840), (1924, 302080), (2048, 283790), (2080, 279424), (2183, 266240), (2360, 246272), (2368, 245440), (2405, 241664), (2560, 227032), (2960, 196352), (3068, 189440), (3328, 174640), (3776, 153920), (3835, 151552), (3848, 151040), (4096, 141895), (4160, 139712), (4366, 133120), (4720, 123136), (4736, 122720), (4810, 120832), (5120, 113516), (5920, 98176), (6136, 94720), (6656, 87320), (7552, 76960), (7670, 75776), (7696, 75520), (8320, 69856), (8732, 66560), (9440, 61568), (9472, 61360), (9620, 60416), (10240, 56758), (10915, 53248), (11840, 49088), (12272, 47360), (13312, 43660), (15104, 38480), (15340, 37888), (15392, 37760), (16640, 34928), (17464, 33280), (18880, 30784), (18944, 30680), (19240, 30208), (20480, 28379), (21830, 26624), (23680, 24544)]