215961480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2060

約数の個数: 192

約数和(自身を含む): 821208960

約数和(自身を除く): 605247480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 56, 60, 63, 70, 72, 84, 86, 90, 105, 120, 126, 129, 140, 168, 172, 180, 210, 215, 252, 258, 280, 301, 315, 344, 360, 387, 420, 430, 504, 516, 602, 630, 645, 774, 840, 860, 903, 1032, 1204, 1260, 1290, 1505, 1548, 1720, 1806, 1935, 1993, 2408, 2520, 2580, 2709, 3010, 3096, 3612, 3870, 3986, 4515, 5160, 5418, 5979, 6020, 7224, 7740, 7972, 9030, 9965, 10836, 11958, 12040, 13545, 13951, 15480, 15944, 17937, 18060, 19930, 21672, 23916, 27090, 27902, 29895, 35874, 36120, 39860, 41853, 47832, 54180, 55804, 59790, 69755, 71748, 79720, 83706, 85699, 89685, 108360, 111608, 119580, 125559, 139510, 143496, 167412, 171398, 179370, 209265, 239160, 251118, 257097, 279020, 334824, 342796, 358740, 418530, 428495, 502236, 514194, 558040, 599893, 627795, 685592, 717480, 771291, 837060, 856990, 1004472, 1028388, 1199786, 1255590, 1285485, 1542582, 1674120, 1713980, 1799679, 2056776, 2399572, 2511180, 2570970, 2999465, 3085164, 3427960, 3599358, 3856455, 4799144, 5022360, 5141940, 5399037, 5998930, 6170328, 7198716, 7712910, 8998395, 10283880, 10798074, 11997860, 14397432, 15425820, 17996790, 21596148, 23995720, 26995185, 30851640, 35993580, 43192296, 53990370, 71987160, 107980740, 215961480]

約数ペア:

[(1, 215961480), (2, 107980740), (3, 71987160), (4, 53990370), (5, 43192296), (6, 35993580), (7, 30851640), (8, 26995185), (9, 23995720), (10, 21596148), (12, 17996790), (14, 15425820), (15, 14397432), (18, 11997860), (20, 10798074), (21, 10283880), (24, 8998395), (28, 7712910), (30, 7198716), (35, 6170328), (36, 5998930), (40, 5399037), (42, 5141940), (43, 5022360), (45, 4799144), (56, 3856455), (60, 3599358), (63, 3427960), (70, 3085164), (72, 2999465), (84, 2570970), (86, 2511180), (90, 2399572), (105, 2056776), (120, 1799679), (126, 1713980), (129, 1674120), (140, 1542582), (168, 1285485), (172, 1255590), (180, 1199786), (210, 1028388), (215, 1004472), (252, 856990), (258, 837060), (280, 771291), (301, 717480), (315, 685592), (344, 627795), (360, 599893), (387, 558040), (420, 514194), (430, 502236), (504, 428495), (516, 418530), (602, 358740), (630, 342796), (645, 334824), (774, 279020), (840, 257097), (860, 251118), (903, 239160), (1032, 209265), (1204, 179370), (1260, 171398), (1290, 167412), (1505, 143496), (1548, 139510), (1720, 125559), (1806, 119580), (1935, 111608), (1993, 108360), (2408, 89685), (2520, 85699), (2580, 83706), (2709, 79720), (3010, 71748), (3096, 69755), (3612, 59790), (3870, 55804), (3986, 54180), (4515, 47832), (5160, 41853), (5418, 39860), (5979, 36120), (6020, 35874), (7224, 29895), (7740, 27902), (7972, 27090), (9030, 23916), (9965, 21672), (10836, 19930), (11958, 18060), (12040, 17937), (13545, 15944), (13951, 15480)]