639292080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3923}}^1$

素因数の和:4043

約数の個数: 160

約数和(自身を含む): 2288853504

約数和(自身を除く): 1649561424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 97, 105, 112, 120, 140, 168, 194, 210, 240, 280, 291, 336, 388, 420, 485, 560, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1552, 1680, 1940, 2037, 2328, 2716, 2910, 3395, 3880, 3923, 4074, 4656, 5432, 5820, 6790, 7760, 7846, 8148, 10185, 10864, 11640, 11769, 13580, 15692, 16296, 19615, 20370, 23280, 23538, 27160, 27461, 31384, 32592, 39230, 40740, 47076, 54320, 54922, 58845, 62768, 78460, 81480, 82383, 94152, 109844, 117690, 137305, 156920, 162960, 164766, 188304, 219688, 235380, 274610, 313840, 329532, 380531, 411915, 439376, 470760, 549220, 659064, 761062, 823830, 941520, 1098440, 1141593, 1318128, 1522124, 1647660, 1902655, 2196880, 2283186, 2663717, 3044248, 3295320, 3805310, 4566372, 5327434, 5707965, 6088496, 6590640, 7610620, 7991151, 9132744, 10654868, 11415930, 13318585, 15221240, 15982302, 18265488, 21309736, 22831860, 26637170, 30442480, 31964604, 39955755, 42619472, 45663720, 53274340, 63929208, 79911510, 91327440, 106548680, 127858416, 159823020, 213097360, 319646040, 639292080]

約数ペア:

[(1, 639292080), (2, 319646040), (3, 213097360), (4, 159823020), (5, 127858416), (6, 106548680), (7, 91327440), (8, 79911510), (10, 63929208), (12, 53274340), (14, 45663720), (15, 42619472), (16, 39955755), (20, 31964604), (21, 30442480), (24, 26637170), (28, 22831860), (30, 21309736), (35, 18265488), (40, 15982302), (42, 15221240), (48, 13318585), (56, 11415930), (60, 10654868), (70, 9132744), (80, 7991151), (84, 7610620), (97, 6590640), (105, 6088496), (112, 5707965), (120, 5327434), (140, 4566372), (168, 3805310), (194, 3295320), (210, 3044248), (240, 2663717), (280, 2283186), (291, 2196880), (336, 1902655), (388, 1647660), (420, 1522124), (485, 1318128), (560, 1141593), (582, 1098440), (679, 941520), (776, 823830), (840, 761062), (970, 659064), (1164, 549220), (1358, 470760), (1455, 439376), (1552, 411915), (1680, 380531), (1940, 329532), (2037, 313840), (2328, 274610), (2716, 235380), (2910, 219688), (3395, 188304), (3880, 164766), (3923, 162960), (4074, 156920), (4656, 137305), (5432, 117690), (5820, 109844), (6790, 94152), (7760, 82383), (7846, 81480), (8148, 78460), (10185, 62768), (10864, 58845), (11640, 54922), (11769, 54320), (13580, 47076), (15692, 40740), (16296, 39230), (19615, 32592), (20370, 31384), (23280, 27461), (23538, 27160)]