321923840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 288

約数和(自身を含む): 973271040

約数和(自身を除く): 651347200

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, 128, 133, 140, 152, 155, 160, 190, 217, 224, 244, 248, 256, 266, 280, 304, 305, 310, 320, 380, 427, 434, 448, 488, 496, 532, 560, 589, 608, 610, 620, 640, 665, 760, 854, 868, 896, 976, 992, 1064, 1085, 1120, 1159, 1178, 1216, 1220, 1240, 1280, 1330, 1520, 1708, 1736, 1792, 1891, 1952, 1984, 2128, 2135, 2170, 2240, 2318, 2356, 2432, 2440, 2480, 2660, 2945, 3040, 3416, 3472, 3782, 3904, 3968, 4123, 4256, 4270, 4340, 4480, 4636, 4712, 4864, 4880, 4960, 5320, 5795, 5890, 6080, 6832, 6944, 7564, 7808, 7936, 8113, 8246, 8512, 8540, 8680, 8960, 9272, 9424, 9455, 9760, 9920, 10640, 11590, 11780, 12160, 13237, 13664, 13888, 15128, 15616, 16226, 16492, 17024, 17080, 17360, 18544, 18848, 18910, 19520, 19840, 20615, 21280, 23180, 23560, 24320, 26474, 27328, 27776, 30256, 32452, 32984, 34048, 34160, 34720, 35929, 37088, 37696, 37820, 39040, 39680, 40565, 41230, 42560, 46360, 47120, 52948, 54656, 55552, 60512, 64904, 65968, 66185, 68320, 69440, 71858, 74176, 75392, 75640, 78080, 81130, 82460, 85120, 92720, 94240, 105896, 109312, 121024, 129808, 131936, 132370, 136640, 138880, 143716, 148352, 150784, 151280, 162260, 164920, 170240, 179645, 185440, 188480, 211792, 242048, 251503, 259616, 263872, 264740, 273280, 277760, 287432, 296704, 302560, 324520, 329840, 359290, 370880, 376960, 423584, 484096, 503006, 519232, 527744, 529480, 546560, 574864, 605120, 649040, 659680, 718580, 741760, 753920, 847168, 1006012, 1038464, 1055488, 1058960, 1149728, 1210240, 1257515, 1298080, 1319360, 1437160, 1483520, 1694336, 2012024, 2076928, 2117920, 2299456, 2420480, 2515030, 2596160, 2638720, 2874320, 3388672, 4024048, 4235840, 4598912, 5030060, 5192320, 5277440, 5748640, 8048096, 8471680, 9197824, 10060120, 10384640, 11497280, 16096192, 16943360, 20120240, 22994560, 32192384, 40240480, 45989120, 64384768, 80480960, 160961920, 321923840]

約数ペア:

[(1, 321923840), (2, 160961920), (4, 80480960), (5, 64384768), (7, 45989120), (8, 40240480), (10, 32192384), (14, 22994560), (16, 20120240), (19, 16943360), (20, 16096192), (28, 11497280), (31, 10384640), (32, 10060120), (35, 9197824), (38, 8471680), (40, 8048096), (56, 5748640), (61, 5277440), (62, 5192320), (64, 5030060), (70, 4598912), (76, 4235840), (80, 4024048), (95, 3388672), (112, 2874320), (122, 2638720), (124, 2596160), (128, 2515030), (133, 2420480), (140, 2299456), (152, 2117920), (155, 2076928), (160, 2012024), (190, 1694336), (217, 1483520), (224, 1437160), (244, 1319360), (248, 1298080), (256, 1257515), (266, 1210240), (280, 1149728), (304, 1058960), (305, 1055488), (310, 1038464), (320, 1006012), (380, 847168), (427, 753920), (434, 741760), (448, 718580), (488, 659680), (496, 649040), (532, 605120), (560, 574864), (589, 546560), (608, 529480), (610, 527744), (620, 519232), (640, 503006), (665, 484096), (760, 423584), (854, 376960), (868, 370880), (896, 359290), (976, 329840), (992, 324520), (1064, 302560), (1085, 296704), (1120, 287432), (1159, 277760), (1178, 273280), (1216, 264740), (1220, 263872), (1240, 259616), (1280, 251503), (1330, 242048), (1520, 211792), (1708, 188480), (1736, 185440), (1792, 179645), (1891, 170240), (1952, 164920), (1984, 162260), (2128, 151280), (2135, 150784), (2170, 148352), (2240, 143716), (2318, 138880), (2356, 136640), (2432, 132370), (2440, 131936), (2480, 129808), (2660, 121024), (2945, 109312), (3040, 105896), (3416, 94240), (3472, 92720), (3782, 85120), (3904, 82460), (3968, 81130), (4123, 78080), (4256, 75640), (4270, 75392), (4340, 74176), (4480, 71858), (4636, 69440), (4712, 68320), (4864, 66185), (4880, 65968), (4960, 64904), (5320, 60512), (5795, 55552), (5890, 54656), (6080, 52948), (6832, 47120), (6944, 46360), (7564, 42560), (7808, 41230), (7936, 40565), (8113, 39680), (8246, 39040), (8512, 37820), (8540, 37696), (8680, 37088), (8960, 35929), (9272, 34720), (9424, 34160), (9455, 34048), (9760, 32984), (9920, 32452), (10640, 30256), (11590, 27776), (11780, 27328), (12160, 26474), (13237, 24320), (13664, 23560), (13888, 23180), (15128, 21280), (15616, 20615), (16226, 19840), (16492, 19520), (17024, 18910), (17080, 18848), (17360, 18544)]