21023171280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1\times {\mathrm{1097}}^1$

素因数の和:1778

約数の個数: 240

約数和(自身を含む): 72427417920

約数和(自身を除く): 51404246640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 619, 645, 688, 720, 774, 860, 1032, 1097, 1238, 1290, 1548, 1720, 1857, 1935, 2064, 2194, 2476, 2580, 3095, 3096, 3291, 3440, 3714, 3870, 4388, 4952, 5160, 5485, 5571, 6190, 6192, 6582, 7428, 7740, 8776, 9285, 9873, 9904, 10320, 10970, 11142, 12380, 13164, 14856, 15480, 16455, 17552, 18570, 19746, 21940, 22284, 24760, 26328, 26617, 27855, 29712, 30960, 32910, 37140, 39492, 43880, 44568, 47171, 49365, 49520, 52656, 53234, 55710, 65820, 74280, 78984, 79851, 87760, 89136, 94342, 98730, 106468, 111420, 131640, 133085, 141513, 148560, 157968, 159702, 188684, 197460, 212936, 222840, 235855, 239553, 263280, 266170, 283026, 319404, 377368, 394920, 399255, 424539, 425872, 445680, 471710, 479106, 532340, 566052, 638808, 679043, 707565, 754736, 789840, 798510, 849078, 943420, 958212, 1064680, 1132104, 1197765, 1277616, 1358086, 1415130, 1597020, 1698156, 1886840, 1916424, 2037129, 2122695, 2129360, 2264208, 2395530, 2716172, 2830260, 3194040, 3395215, 3396312, 3773680, 3832848, 4074258, 4245390, 4791060, 5432344, 5660520, 6111387, 6388080, 6790430, 6792624, 8148516, 8490780, 9582120, 10185645, 10864688, 11321040, 12222774, 13580860, 16297032, 16981560, 19164240, 20371290, 24445548, 27161720, 29198849, 30556935, 32594064, 33963120, 40742580, 48891096, 54323440, 58397698, 61113870, 81485160, 87596547, 97782192, 116795396, 122227740, 145994245, 162970320, 175193094, 233590792, 244455480, 262789641, 291988490, 350386188, 437982735, 467181584, 488910960, 525579282, 583976980, 700772376, 875965470, 1051158564, 1167953960, 1313948205, 1401544752, 1751930940, 2102317128, 2335907920, 2627896410, 3503861880, 4204634256, 5255792820, 7007723760, 10511585640, 21023171280]

約数ペア:

[(1, 21023171280), (2, 10511585640), (3, 7007723760), (4, 5255792820), (5, 4204634256), (6, 3503861880), (8, 2627896410), (9, 2335907920), (10, 2102317128), (12, 1751930940), (15, 1401544752), (16, 1313948205), (18, 1167953960), (20, 1051158564), (24, 875965470), (30, 700772376), (36, 583976980), (40, 525579282), (43, 488910960), (45, 467181584), (48, 437982735), (60, 350386188), (72, 291988490), (80, 262789641), (86, 244455480), (90, 233590792), (120, 175193094), (129, 162970320), (144, 145994245), (172, 122227740), (180, 116795396), (215, 97782192), (240, 87596547), (258, 81485160), (344, 61113870), (360, 58397698), (387, 54323440), (430, 48891096), (516, 40742580), (619, 33963120), (645, 32594064), (688, 30556935), (720, 29198849), (774, 27161720), (860, 24445548), (1032, 20371290), (1097, 19164240), (1238, 16981560), (1290, 16297032), (1548, 13580860), (1720, 12222774), (1857, 11321040), (1935, 10864688), (2064, 10185645), (2194, 9582120), (2476, 8490780), (2580, 8148516), (3095, 6792624), (3096, 6790430), (3291, 6388080), (3440, 6111387), (3714, 5660520), (3870, 5432344), (4388, 4791060), (4952, 4245390), (5160, 4074258), (5485, 3832848), (5571, 3773680), (6190, 3396312), (6192, 3395215), (6582, 3194040), (7428, 2830260), (7740, 2716172), (8776, 2395530), (9285, 2264208), (9873, 2129360), (9904, 2122695), (10320, 2037129), (10970, 1916424), (11142, 1886840), (12380, 1698156), (13164, 1597020), (14856, 1415130), (15480, 1358086), (16455, 1277616), (17552, 1197765), (18570, 1132104), (19746, 1064680), (21940, 958212), (22284, 943420), (24760, 849078), (26328, 798510), (26617, 789840), (27855, 754736), (29712, 707565), (30960, 679043), (32910, 638808), (37140, 566052), (39492, 532340), (43880, 479106), (44568, 471710), (47171, 445680), (49365, 425872), (49520, 424539), (52656, 399255), (53234, 394920), (55710, 377368), (65820, 319404), (74280, 283026), (78984, 266170), (79851, 263280), (87760, 239553), (89136, 235855), (94342, 222840), (98730, 212936), (106468, 197460), (111420, 188684), (131640, 159702), (133085, 157968), (141513, 148560)]