64441520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 181488384

約数和(自身を除く): 117046864

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 43, 44, 52, 55, 65, 80, 86, 88, 104, 110, 130, 131, 143, 172, 176, 208, 215, 220, 260, 262, 286, 344, 430, 440, 473, 520, 524, 559, 572, 655, 688, 715, 860, 880, 946, 1040, 1048, 1118, 1144, 1310, 1430, 1441, 1703, 1720, 1892, 2096, 2236, 2288, 2365, 2620, 2795, 2860, 2882, 3406, 3440, 3784, 4472, 4730, 5240, 5590, 5633, 5720, 5764, 6149, 6812, 7205, 7568, 8515, 8944, 9460, 10480, 11180, 11266, 11440, 11528, 12298, 13624, 14410, 17030, 18733, 18920, 22360, 22532, 23056, 24596, 27248, 28165, 28820, 30745, 34060, 37466, 37840, 44720, 45064, 49192, 56330, 57640, 61490, 61963, 68120, 73229, 74932, 90128, 93665, 98384, 112660, 115280, 122980, 123926, 136240, 146458, 149864, 187330, 225320, 245960, 247852, 292916, 299728, 309815, 366145, 374660, 450640, 491920, 495704, 585832, 619630, 732290, 749320, 805519, 991408, 1171664, 1239260, 1464580, 1498640, 1611038, 2478520, 2929160, 3222076, 4027595, 4957040, 5858320, 6444152, 8055190, 12888304, 16110380, 32220760, 64441520]

約数ペア:

[(1, 64441520), (2, 32220760), (4, 16110380), (5, 12888304), (8, 8055190), (10, 6444152), (11, 5858320), (13, 4957040), (16, 4027595), (20, 3222076), (22, 2929160), (26, 2478520), (40, 1611038), (43, 1498640), (44, 1464580), (52, 1239260), (55, 1171664), (65, 991408), (80, 805519), (86, 749320), (88, 732290), (104, 619630), (110, 585832), (130, 495704), (131, 491920), (143, 450640), (172, 374660), (176, 366145), (208, 309815), (215, 299728), (220, 292916), (260, 247852), (262, 245960), (286, 225320), (344, 187330), (430, 149864), (440, 146458), (473, 136240), (520, 123926), (524, 122980), (559, 115280), (572, 112660), (655, 98384), (688, 93665), (715, 90128), (860, 74932), (880, 73229), (946, 68120), (1040, 61963), (1048, 61490), (1118, 57640), (1144, 56330), (1310, 49192), (1430, 45064), (1441, 44720), (1703, 37840), (1720, 37466), (1892, 34060), (2096, 30745), (2236, 28820), (2288, 28165), (2365, 27248), (2620, 24596), (2795, 23056), (2860, 22532), (2882, 22360), (3406, 18920), (3440, 18733), (3784, 17030), (4472, 14410), (4730, 13624), (5240, 12298), (5590, 11528), (5633, 11440), (5720, 11266), (5764, 11180), (6149, 10480), (6812, 9460), (7205, 8944), (7568, 8515)]