649087920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2237}}^1$

素因数の和:2300

約数の個数: 240

約数和(自身を含む): 2424344832

約数和(自身を除く): 1775256912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 1040, 1116, 1170, 1209, 1240, 1395, 1488, 1560, 1612, 1860, 1872, 2015, 2232, 2237, 2340, 2418, 2480, 2790, 3120, 3224, 3627, 3720, 4030, 4464, 4474, 4680, 4836, 5580, 6045, 6448, 6711, 7254, 7440, 8060, 8948, 9360, 9672, 11160, 11185, 12090, 13422, 14508, 16120, 17896, 18135, 19344, 20133, 22320, 22370, 24180, 26844, 29016, 29081, 32240, 33555, 35792, 36270, 40266, 44740, 48360, 53688, 58032, 58162, 67110, 69347, 72540, 80532, 87243, 89480, 96720, 100665, 107376, 116324, 134220, 138694, 145080, 145405, 161064, 174486, 178960, 201330, 208041, 232648, 261729, 268440, 277388, 290160, 290810, 322128, 346735, 348972, 402660, 416082, 436215, 465296, 523458, 536880, 554776, 581620, 624123, 693470, 697944, 805320, 832164, 872430, 901511, 1040205, 1046916, 1109552, 1163240, 1248246, 1308645, 1386940, 1395888, 1610640, 1664328, 1744860, 1803022, 2080410, 2093832, 2326480, 2496492, 2617290, 2704533, 2773880, 3120615, 3328656, 3489720, 3606044, 4160820, 4187664, 4507555, 4992984, 5234580, 5409066, 5547760, 6241230, 6979440, 7212088, 8113599, 8321640, 9015110, 9985968, 10469160, 10818132, 12482460, 13522665, 14424176, 16227198, 16643280, 18030220, 20938320, 21636264, 24964920, 27045330, 32454396, 36060440, 40567995, 43272528, 49929840, 54090660, 64908792, 72120880, 81135990, 108181320, 129817584, 162271980, 216362640, 324543960, 649087920]

約数ペア:

[(1, 649087920), (2, 324543960), (3, 216362640), (4, 162271980), (5, 129817584), (6, 108181320), (8, 81135990), (9, 72120880), (10, 64908792), (12, 54090660), (13, 49929840), (15, 43272528), (16, 40567995), (18, 36060440), (20, 32454396), (24, 27045330), (26, 24964920), (30, 21636264), (31, 20938320), (36, 18030220), (39, 16643280), (40, 16227198), (45, 14424176), (48, 13522665), (52, 12482460), (60, 10818132), (62, 10469160), (65, 9985968), (72, 9015110), (78, 8321640), (80, 8113599), (90, 7212088), (93, 6979440), (104, 6241230), (117, 5547760), (120, 5409066), (124, 5234580), (130, 4992984), (144, 4507555), (155, 4187664), (156, 4160820), (180, 3606044), (186, 3489720), (195, 3328656), (208, 3120615), (234, 2773880), (240, 2704533), (248, 2617290), (260, 2496492), (279, 2326480), (310, 2093832), (312, 2080410), (360, 1803022), (372, 1744860), (390, 1664328), (403, 1610640), (465, 1395888), (468, 1386940), (496, 1308645), (520, 1248246), (558, 1163240), (585, 1109552), (620, 1046916), (624, 1040205), (720, 901511), (744, 872430), (780, 832164), (806, 805320), (930, 697944), (936, 693470), (1040, 624123), (1116, 581620), (1170, 554776), (1209, 536880), (1240, 523458), (1395, 465296), (1488, 436215), (1560, 416082), (1612, 402660), (1860, 348972), (1872, 346735), (2015, 322128), (2232, 290810), (2237, 290160), (2340, 277388), (2418, 268440), (2480, 261729), (2790, 232648), (3120, 208041), (3224, 201330), (3627, 178960), (3720, 174486), (4030, 161064), (4464, 145405), (4474, 145080), (4680, 138694), (4836, 134220), (5580, 116324), (6045, 107376), (6448, 100665), (6711, 96720), (7254, 89480), (7440, 87243), (8060, 80532), (8948, 72540), (9360, 69347), (9672, 67110), (11160, 58162), (11185, 58032), (12090, 53688), (13422, 48360), (14508, 44740), (16120, 40266), (17896, 36270), (18135, 35792), (19344, 33555), (20133, 32240), (22320, 29081), (22370, 29016), (24180, 26844)]