9780108520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{3313}}^1$

素因数の和:4155

約数の個数: 128

約数和(自身を含む): 27124957440

約数和(自身を除く): 17344848920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 811, 910, 1622, 1820, 3244, 3313, 3640, 4055, 5677, 6488, 6626, 8110, 10543, 11354, 13252, 16220, 16565, 21086, 22708, 23191, 26504, 28385, 32440, 33130, 42172, 43069, 45416, 46382, 52715, 56770, 66260, 73801, 84344, 86138, 92764, 105430, 113540, 115955, 132520, 147602, 172276, 185528, 210860, 215345, 227080, 231910, 295204, 301483, 344552, 369005, 421720, 430690, 463820, 590408, 602966, 738010, 861380, 927640, 1205932, 1476020, 1507415, 1722760, 2411864, 2686843, 2952040, 3014830, 5373686, 6029660, 10747372, 12059320, 13434215, 18807901, 21494744, 26868430, 34928959, 37615802, 53736860, 69857918, 75231604, 94039505, 107473720, 139715836, 150463208, 174644795, 188079010, 244502713, 279431672, 349289590, 376158020, 489005426, 698579180, 752316040, 978010852, 1222513565, 1397158360, 1956021704, 2445027130, 4890054260, 9780108520]

約数ペア:

[(1, 9780108520), (2, 4890054260), (4, 2445027130), (5, 1956021704), (7, 1397158360), (8, 1222513565), (10, 978010852), (13, 752316040), (14, 698579180), (20, 489005426), (26, 376158020), (28, 349289590), (35, 279431672), (40, 244502713), (52, 188079010), (56, 174644795), (65, 150463208), (70, 139715836), (91, 107473720), (104, 94039505), (130, 75231604), (140, 69857918), (182, 53736860), (260, 37615802), (280, 34928959), (364, 26868430), (455, 21494744), (520, 18807901), (728, 13434215), (811, 12059320), (910, 10747372), (1622, 6029660), (1820, 5373686), (3244, 3014830), (3313, 2952040), (3640, 2686843), (4055, 2411864), (5677, 1722760), (6488, 1507415), (6626, 1476020), (8110, 1205932), (10543, 927640), (11354, 861380), (13252, 738010), (16220, 602966), (16565, 590408), (21086, 463820), (22708, 430690), (23191, 421720), (26504, 369005), (28385, 344552), (32440, 301483), (33130, 295204), (42172, 231910), (43069, 227080), (45416, 215345), (46382, 210860), (52715, 185528), (56770, 172276), (66260, 147602), (73801, 132520), (84344, 115955), (86138, 113540), (92764, 105430)]