64354840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 167443200

約数和(自身を除く): 103088360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 59, 67, 74, 88, 110, 118, 134, 148, 185, 220, 236, 268, 295, 296, 335, 370, 407, 440, 472, 536, 590, 649, 670, 737, 740, 814, 1180, 1298, 1340, 1474, 1480, 1628, 2035, 2183, 2360, 2479, 2596, 2680, 2948, 3245, 3256, 3685, 3953, 4070, 4366, 4958, 5192, 5896, 6490, 7370, 7906, 8140, 8732, 9916, 10915, 12395, 12980, 14740, 15812, 16280, 17464, 19765, 19832, 21830, 24013, 24790, 25960, 27269, 29480, 31624, 39530, 43483, 43660, 48026, 49580, 54538, 79060, 86966, 87320, 96052, 99160, 109076, 120065, 136345, 146261, 158120, 173932, 192104, 217415, 218152, 240130, 272690, 292522, 347864, 434830, 480260, 545380, 585044, 731305, 869660, 960520, 1090760, 1170088, 1462610, 1608871, 1739320, 2925220, 3217742, 5850440, 6435484, 8044355, 12870968, 16088710, 32177420, 64354840]

約数ペア:

[(1, 64354840), (2, 32177420), (4, 16088710), (5, 12870968), (8, 8044355), (10, 6435484), (11, 5850440), (20, 3217742), (22, 2925220), (37, 1739320), (40, 1608871), (44, 1462610), (55, 1170088), (59, 1090760), (67, 960520), (74, 869660), (88, 731305), (110, 585044), (118, 545380), (134, 480260), (148, 434830), (185, 347864), (220, 292522), (236, 272690), (268, 240130), (295, 218152), (296, 217415), (335, 192104), (370, 173932), (407, 158120), (440, 146261), (472, 136345), (536, 120065), (590, 109076), (649, 99160), (670, 96052), (737, 87320), (740, 86966), (814, 79060), (1180, 54538), (1298, 49580), (1340, 48026), (1474, 43660), (1480, 43483), (1628, 39530), (2035, 31624), (2183, 29480), (2360, 27269), (2479, 25960), (2596, 24790), (2680, 24013), (2948, 21830), (3245, 19832), (3256, 19765), (3685, 17464), (3953, 16280), (4070, 15812), (4366, 14740), (4958, 12980), (5192, 12395), (5896, 10915), (6490, 9916), (7370, 8732), (7906, 8140)]