2644691840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:333

約数の個数: 256

約数和(自身を含む): 7567257600

約数和(自身を除く): 4922565760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 137, 139, 140, 155, 160, 217, 224, 248, 274, 278, 280, 310, 320, 434, 448, 496, 548, 556, 560, 620, 640, 685, 695, 868, 896, 959, 973, 992, 1085, 1096, 1112, 1120, 1240, 1370, 1390, 1736, 1918, 1946, 1984, 2170, 2192, 2224, 2240, 2480, 2740, 2780, 3472, 3836, 3892, 3968, 4247, 4309, 4340, 4384, 4448, 4480, 4795, 4865, 4960, 5480, 5560, 6944, 7672, 7784, 8494, 8618, 8680, 8768, 8896, 9590, 9730, 9920, 10960, 11120, 13888, 15344, 15568, 16988, 17236, 17360, 17536, 17792, 19043, 19180, 19460, 19840, 21235, 21545, 21920, 22240, 27776, 29729, 30163, 30688, 31136, 33976, 34472, 34720, 38086, 38360, 38920, 42470, 43090, 43840, 44480, 59458, 60326, 61376, 62272, 67952, 68944, 69440, 76172, 76720, 77840, 84940, 86180, 87680, 88960, 95215, 118916, 120652, 122752, 124544, 133301, 135904, 137888, 138880, 148645, 150815, 152344, 153440, 155680, 169880, 172360, 190430, 237832, 241304, 266602, 271808, 275776, 297290, 301630, 304688, 306880, 311360, 339760, 344720, 380860, 475664, 482608, 533204, 543616, 551552, 590333, 594580, 603260, 609376, 613760, 622720, 666505, 679520, 689440, 761720, 951328, 965216, 1066408, 1180666, 1189160, 1206520, 1218752, 1333010, 1359040, 1378880, 1523440, 1902656, 1930432, 2132816, 2361332, 2378320, 2413040, 2437504, 2666020, 2718080, 2757760, 2951665, 3046880, 3805312, 3860864, 4132331, 4265632, 4722664, 4756640, 4826080, 5332040, 5903330, 6093760, 8264662, 8531264, 9445328, 9513280, 9652160, 10664080, 11806660, 12187520, 16529324, 17062528, 18890656, 19026560, 19304320, 20661655, 21328160, 23613320, 33058648, 37781312, 41323310, 42656320, 47226640, 66117296, 75562624, 82646620, 85312640, 94453280, 132234592, 165293240, 188906560, 264469184, 330586480, 377813120, 528938368, 661172960, 1322345920, 2644691840]

約数ペア:

[(1, 2644691840), (2, 1322345920), (4, 661172960), (5, 528938368), (7, 377813120), (8, 330586480), (10, 264469184), (14, 188906560), (16, 165293240), (20, 132234592), (28, 94453280), (31, 85312640), (32, 82646620), (35, 75562624), (40, 66117296), (56, 47226640), (62, 42656320), (64, 41323310), (70, 37781312), (80, 33058648), (112, 23613320), (124, 21328160), (128, 20661655), (137, 19304320), (139, 19026560), (140, 18890656), (155, 17062528), (160, 16529324), (217, 12187520), (224, 11806660), (248, 10664080), (274, 9652160), (278, 9513280), (280, 9445328), (310, 8531264), (320, 8264662), (434, 6093760), (448, 5903330), (496, 5332040), (548, 4826080), (556, 4756640), (560, 4722664), (620, 4265632), (640, 4132331), (685, 3860864), (695, 3805312), (868, 3046880), (896, 2951665), (959, 2757760), (973, 2718080), (992, 2666020), (1085, 2437504), (1096, 2413040), (1112, 2378320), (1120, 2361332), (1240, 2132816), (1370, 1930432), (1390, 1902656), (1736, 1523440), (1918, 1378880), (1946, 1359040), (1984, 1333010), (2170, 1218752), (2192, 1206520), (2224, 1189160), (2240, 1180666), (2480, 1066408), (2740, 965216), (2780, 951328), (3472, 761720), (3836, 689440), (3892, 679520), (3968, 666505), (4247, 622720), (4309, 613760), (4340, 609376), (4384, 603260), (4448, 594580), (4480, 590333), (4795, 551552), (4865, 543616), (4960, 533204), (5480, 482608), (5560, 475664), (6944, 380860), (7672, 344720), (7784, 339760), (8494, 311360), (8618, 306880), (8680, 304688), (8768, 301630), (8896, 297290), (9590, 275776), (9730, 271808), (9920, 266602), (10960, 241304), (11120, 237832), (13888, 190430), (15344, 172360), (15568, 169880), (16988, 155680), (17236, 153440), (17360, 152344), (17536, 150815), (17792, 148645), (19043, 138880), (19180, 137888), (19460, 135904), (19840, 133301), (21235, 124544), (21545, 122752), (21920, 120652), (22240, 118916), (27776, 95215), (29729, 88960), (30163, 87680), (30688, 86180), (31136, 84940), (33976, 77840), (34472, 76720), (34720, 76172), (38086, 69440), (38360, 68944), (38920, 67952), (42470, 62272), (43090, 61376), (43840, 60326), (44480, 59458)]