2780019840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1039

約数の個数: 256

約数和(自身を含む): 9629061120

約数和(自身を除く): 6849041280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 127, 128, 130, 156, 160, 192, 195, 208, 240, 254, 260, 312, 320, 381, 384, 390, 416, 480, 508, 520, 624, 635, 640, 762, 780, 832, 877, 960, 1016, 1040, 1248, 1270, 1524, 1560, 1651, 1664, 1754, 1905, 1920, 2032, 2080, 2496, 2540, 2631, 3048, 3120, 3302, 3508, 3810, 4064, 4160, 4385, 4953, 4992, 5080, 5262, 6096, 6240, 6604, 7016, 7620, 8128, 8255, 8320, 8770, 9906, 10160, 10524, 11401, 12192, 12480, 13155, 13208, 14032, 15240, 16256, 16510, 17540, 19812, 20320, 21048, 22802, 24384, 24765, 24960, 26310, 26416, 28064, 30480, 33020, 34203, 35080, 39624, 40640, 42096, 45604, 48768, 49530, 52620, 52832, 56128, 57005, 60960, 66040, 68406, 70160, 79248, 81280, 84192, 91208, 99060, 105240, 105664, 111379, 112256, 114010, 121920, 132080, 136812, 140320, 158496, 168384, 171015, 182416, 198120, 210480, 211328, 222758, 228020, 243840, 264160, 273624, 280640, 316992, 334137, 336768, 342030, 364832, 396240, 420960, 445516, 456040, 528320, 547248, 556895, 561280, 633984, 668274, 684060, 729664, 792480, 841920, 891032, 912080, 1056640, 1094496, 1113790, 1336548, 1368120, 1447927, 1459328, 1584960, 1670685, 1683840, 1782064, 1824160, 2188992, 2227580, 2673096, 2736240, 2895854, 3169920, 3341370, 3564128, 3648320, 4343781, 4377984, 4455160, 5346192, 5472480, 5791708, 6682740, 7128256, 7239635, 7296640, 8687562, 8910320, 10692384, 10944960, 11583416, 13365480, 14256512, 14479270, 17375124, 17820640, 21384768, 21718905, 21889920, 23166832, 26730960, 28958540, 34750248, 35641280, 42769536, 43437810, 46333664, 53461920, 57917080, 69500496, 71282560, 86875620, 92667328, 106923840, 115834160, 139000992, 173751240, 185334656, 213847680, 231668320, 278001984, 347502480, 463336640, 556003968, 695004960, 926673280, 1390009920, 2780019840]

約数ペア:

[(1, 2780019840), (2, 1390009920), (3, 926673280), (4, 695004960), (5, 556003968), (6, 463336640), (8, 347502480), (10, 278001984), (12, 231668320), (13, 213847680), (15, 185334656), (16, 173751240), (20, 139000992), (24, 115834160), (26, 106923840), (30, 92667328), (32, 86875620), (39, 71282560), (40, 69500496), (48, 57917080), (52, 53461920), (60, 46333664), (64, 43437810), (65, 42769536), (78, 35641280), (80, 34750248), (96, 28958540), (104, 26730960), (120, 23166832), (127, 21889920), (128, 21718905), (130, 21384768), (156, 17820640), (160, 17375124), (192, 14479270), (195, 14256512), (208, 13365480), (240, 11583416), (254, 10944960), (260, 10692384), (312, 8910320), (320, 8687562), (381, 7296640), (384, 7239635), (390, 7128256), (416, 6682740), (480, 5791708), (508, 5472480), (520, 5346192), (624, 4455160), (635, 4377984), (640, 4343781), (762, 3648320), (780, 3564128), (832, 3341370), (877, 3169920), (960, 2895854), (1016, 2736240), (1040, 2673096), (1248, 2227580), (1270, 2188992), (1524, 1824160), (1560, 1782064), (1651, 1683840), (1664, 1670685), (1754, 1584960), (1905, 1459328), (1920, 1447927), (2032, 1368120), (2080, 1336548), (2496, 1113790), (2540, 1094496), (2631, 1056640), (3048, 912080), (3120, 891032), (3302, 841920), (3508, 792480), (3810, 729664), (4064, 684060), (4160, 668274), (4385, 633984), (4953, 561280), (4992, 556895), (5080, 547248), (5262, 528320), (6096, 456040), (6240, 445516), (6604, 420960), (7016, 396240), (7620, 364832), (8128, 342030), (8255, 336768), (8320, 334137), (8770, 316992), (9906, 280640), (10160, 273624), (10524, 264160), (11401, 243840), (12192, 228020), (12480, 222758), (13155, 211328), (13208, 210480), (14032, 198120), (15240, 182416), (16256, 171015), (16510, 168384), (17540, 158496), (19812, 140320), (20320, 136812), (21048, 132080), (22802, 121920), (24384, 114010), (24765, 112256), (24960, 111379), (26310, 105664), (26416, 105240), (28064, 99060), (30480, 91208), (33020, 84192), (34203, 81280), (35080, 79248), (39624, 70160), (40640, 68406), (42096, 66040), (45604, 60960), (48768, 57005), (49530, 56128), (52620, 52832)]