281575840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 192

約数和(自身を含む): 832156416

約数和(自身を除く): 550580576

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 83, 91, 104, 112, 130, 140, 160, 166, 182, 208, 224, 233, 260, 280, 332, 364, 415, 416, 455, 466, 520, 560, 581, 664, 728, 830, 910, 932, 1040, 1079, 1120, 1162, 1165, 1328, 1456, 1631, 1660, 1820, 1864, 2080, 2158, 2324, 2330, 2656, 2905, 2912, 3029, 3262, 3320, 3640, 3728, 4316, 4648, 4660, 5395, 5810, 6058, 6524, 6640, 7280, 7456, 7553, 8155, 8632, 9296, 9320, 10790, 11620, 12116, 13048, 13280, 14560, 15106, 15145, 16310, 17264, 18592, 18640, 19339, 21203, 21580, 23240, 24232, 26096, 30212, 30290, 32620, 34528, 37280, 37765, 38678, 42406, 43160, 46480, 48464, 52192, 60424, 60580, 65240, 75530, 77356, 84812, 86320, 92960, 96695, 96928, 106015, 120848, 121160, 130480, 135373, 151060, 154712, 169624, 172640, 193390, 212030, 241696, 242320, 251407, 260960, 270746, 302120, 309424, 339248, 386780, 424060, 484640, 502814, 541492, 604240, 618848, 676865, 678496, 773560, 848120, 1005628, 1082984, 1208480, 1257035, 1353730, 1547120, 1696240, 1759849, 2011256, 2165968, 2514070, 2707460, 3094240, 3392480, 3519698, 4022512, 4331936, 5028140, 5414920, 7039396, 8045024, 8799245, 10056280, 10829840, 14078792, 17598490, 20112560, 21659680, 28157584, 35196980, 40225120, 56315168, 70393960, 140787920, 281575840]

約数ペア:

[(1, 281575840), (2, 140787920), (4, 70393960), (5, 56315168), (7, 40225120), (8, 35196980), (10, 28157584), (13, 21659680), (14, 20112560), (16, 17598490), (20, 14078792), (26, 10829840), (28, 10056280), (32, 8799245), (35, 8045024), (40, 7039396), (52, 5414920), (56, 5028140), (65, 4331936), (70, 4022512), (80, 3519698), (83, 3392480), (91, 3094240), (104, 2707460), (112, 2514070), (130, 2165968), (140, 2011256), (160, 1759849), (166, 1696240), (182, 1547120), (208, 1353730), (224, 1257035), (233, 1208480), (260, 1082984), (280, 1005628), (332, 848120), (364, 773560), (415, 678496), (416, 676865), (455, 618848), (466, 604240), (520, 541492), (560, 502814), (581, 484640), (664, 424060), (728, 386780), (830, 339248), (910, 309424), (932, 302120), (1040, 270746), (1079, 260960), (1120, 251407), (1162, 242320), (1165, 241696), (1328, 212030), (1456, 193390), (1631, 172640), (1660, 169624), (1820, 154712), (1864, 151060), (2080, 135373), (2158, 130480), (2324, 121160), (2330, 120848), (2656, 106015), (2905, 96928), (2912, 96695), (3029, 92960), (3262, 86320), (3320, 84812), (3640, 77356), (3728, 75530), (4316, 65240), (4648, 60580), (4660, 60424), (5395, 52192), (5810, 48464), (6058, 46480), (6524, 43160), (6640, 42406), (7280, 38678), (7456, 37765), (7553, 37280), (8155, 34528), (8632, 32620), (9296, 30290), (9320, 30212), (10790, 26096), (11620, 24232), (12116, 23240), (13048, 21580), (13280, 21203), (14560, 19339), (15106, 18640), (15145, 18592), (16310, 17264)]