80480960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 224

約数和(自身を含む): 241889280

約数和(自身を除く): 161408320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 61, 62, 64, 70, 76, 80, 95, 112, 122, 124, 133, 140, 152, 155, 160, 190, 217, 224, 244, 248, 266, 280, 304, 305, 310, 320, 380, 427, 434, 448, 488, 496, 532, 560, 589, 608, 610, 620, 665, 760, 854, 868, 976, 992, 1064, 1085, 1120, 1159, 1178, 1216, 1220, 1240, 1330, 1520, 1708, 1736, 1891, 1952, 1984, 2128, 2135, 2170, 2240, 2318, 2356, 2440, 2480, 2660, 2945, 3040, 3416, 3472, 3782, 3904, 4123, 4256, 4270, 4340, 4636, 4712, 4880, 4960, 5320, 5795, 5890, 6080, 6832, 6944, 7564, 8113, 8246, 8512, 8540, 8680, 9272, 9424, 9455, 9760, 9920, 10640, 11590, 11780, 13237, 13664, 13888, 15128, 16226, 16492, 17080, 17360, 18544, 18848, 18910, 19520, 20615, 21280, 23180, 23560, 26474, 27328, 30256, 32452, 32984, 34160, 34720, 35929, 37088, 37696, 37820, 40565, 41230, 42560, 46360, 47120, 52948, 60512, 64904, 65968, 66185, 68320, 69440, 71858, 74176, 75640, 81130, 82460, 92720, 94240, 105896, 121024, 129808, 131936, 132370, 136640, 143716, 151280, 162260, 164920, 179645, 185440, 188480, 211792, 251503, 259616, 263872, 264740, 287432, 302560, 324520, 329840, 359290, 370880, 423584, 503006, 519232, 529480, 574864, 605120, 649040, 659680, 718580, 847168, 1006012, 1058960, 1149728, 1257515, 1298080, 1319360, 1437160, 2012024, 2117920, 2299456, 2515030, 2596160, 2874320, 4024048, 4235840, 5030060, 5748640, 8048096, 10060120, 11497280, 16096192, 20120240, 40240480, 80480960]

約数ペア:

[(1, 80480960), (2, 40240480), (4, 20120240), (5, 16096192), (7, 11497280), (8, 10060120), (10, 8048096), (14, 5748640), (16, 5030060), (19, 4235840), (20, 4024048), (28, 2874320), (31, 2596160), (32, 2515030), (35, 2299456), (38, 2117920), (40, 2012024), (56, 1437160), (61, 1319360), (62, 1298080), (64, 1257515), (70, 1149728), (76, 1058960), (80, 1006012), (95, 847168), (112, 718580), (122, 659680), (124, 649040), (133, 605120), (140, 574864), (152, 529480), (155, 519232), (160, 503006), (190, 423584), (217, 370880), (224, 359290), (244, 329840), (248, 324520), (266, 302560), (280, 287432), (304, 264740), (305, 263872), (310, 259616), (320, 251503), (380, 211792), (427, 188480), (434, 185440), (448, 179645), (488, 164920), (496, 162260), (532, 151280), (560, 143716), (589, 136640), (608, 132370), (610, 131936), (620, 129808), (665, 121024), (760, 105896), (854, 94240), (868, 92720), (976, 82460), (992, 81130), (1064, 75640), (1085, 74176), (1120, 71858), (1159, 69440), (1178, 68320), (1216, 66185), (1220, 65968), (1240, 64904), (1330, 60512), (1520, 52948), (1708, 47120), (1736, 46360), (1891, 42560), (1952, 41230), (1984, 40565), (2128, 37820), (2135, 37696), (2170, 37088), (2240, 35929), (2318, 34720), (2356, 34160), (2440, 32984), (2480, 32452), (2660, 30256), (2945, 27328), (3040, 26474), (3416, 23560), (3472, 23180), (3782, 21280), (3904, 20615), (4123, 19520), (4256, 18910), (4270, 18848), (4340, 18544), (4636, 17360), (4712, 17080), (4880, 16492), (4960, 16226), (5320, 15128), (5795, 13888), (5890, 13664), (6080, 13237), (6832, 11780), (6944, 11590), (7564, 10640), (8113, 9920), (8246, 9760), (8512, 9455), (8540, 9424), (8680, 9272)]