2121768880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:396

約数の個数: 240

約数和(自身を含む): 6267223872

約数和(自身を除く): 4145454992

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 173, 176, 181, 220, 242, 280, 308, 346, 362, 385, 440, 484, 560, 605, 616, 692, 724, 770, 847, 865, 880, 905, 968, 1210, 1211, 1232, 1267, 1384, 1448, 1540, 1694, 1730, 1810, 1903, 1936, 1991, 2420, 2422, 2534, 2768, 2896, 3080, 3388, 3460, 3620, 3806, 3982, 4235, 4840, 4844, 5068, 6055, 6160, 6335, 6776, 6920, 7240, 7612, 7964, 8470, 9515, 9680, 9688, 9955, 10136, 12110, 12670, 13321, 13552, 13840, 13937, 14480, 15224, 15928, 16940, 19030, 19376, 19910, 20272, 20933, 21901, 24220, 25340, 26642, 27874, 30448, 31313, 31856, 33880, 38060, 39820, 41866, 43802, 48440, 50680, 53284, 55748, 62626, 66605, 67760, 69685, 76120, 79640, 83732, 87604, 96880, 101360, 104665, 106568, 109505, 111496, 125252, 133210, 139370, 146531, 152240, 153307, 156565, 159280, 167464, 175208, 209330, 213136, 219010, 219191, 222992, 250504, 266420, 278740, 293062, 306614, 313130, 334928, 344443, 350416, 418660, 438020, 438382, 501008, 532840, 557480, 586124, 613228, 626260, 688886, 732655, 766535, 837320, 876040, 876764, 1065680, 1095955, 1114960, 1172248, 1226456, 1252520, 1377772, 1465310, 1533070, 1674640, 1722215, 1752080, 1753528, 2191910, 2344496, 2411101, 2452912, 2505040, 2755544, 2930620, 3066140, 3444430, 3507056, 3788873, 4383820, 4822202, 5511088, 5861240, 6132280, 6888860, 7577746, 8767640, 9644404, 11722480, 12055505, 12264560, 13777720, 15155492, 17535280, 18944365, 19288808, 24111010, 26522111, 27555440, 30310984, 37888730, 38577616, 48222020, 53044222, 60621968, 75777460, 96444040, 106088444, 132610555, 151554920, 192888080, 212176888, 265221110, 303109840, 424353776, 530442220, 1060884440, 2121768880]

約数ペア:

[(1, 2121768880), (2, 1060884440), (4, 530442220), (5, 424353776), (7, 303109840), (8, 265221110), (10, 212176888), (11, 192888080), (14, 151554920), (16, 132610555), (20, 106088444), (22, 96444040), (28, 75777460), (35, 60621968), (40, 53044222), (44, 48222020), (55, 38577616), (56, 37888730), (70, 30310984), (77, 27555440), (80, 26522111), (88, 24111010), (110, 19288808), (112, 18944365), (121, 17535280), (140, 15155492), (154, 13777720), (173, 12264560), (176, 12055505), (181, 11722480), (220, 9644404), (242, 8767640), (280, 7577746), (308, 6888860), (346, 6132280), (362, 5861240), (385, 5511088), (440, 4822202), (484, 4383820), (560, 3788873), (605, 3507056), (616, 3444430), (692, 3066140), (724, 2930620), (770, 2755544), (847, 2505040), (865, 2452912), (880, 2411101), (905, 2344496), (968, 2191910), (1210, 1753528), (1211, 1752080), (1232, 1722215), (1267, 1674640), (1384, 1533070), (1448, 1465310), (1540, 1377772), (1694, 1252520), (1730, 1226456), (1810, 1172248), (1903, 1114960), (1936, 1095955), (1991, 1065680), (2420, 876764), (2422, 876040), (2534, 837320), (2768, 766535), (2896, 732655), (3080, 688886), (3388, 626260), (3460, 613228), (3620, 586124), (3806, 557480), (3982, 532840), (4235, 501008), (4840, 438382), (4844, 438020), (5068, 418660), (6055, 350416), (6160, 344443), (6335, 334928), (6776, 313130), (6920, 306614), (7240, 293062), (7612, 278740), (7964, 266420), (8470, 250504), (9515, 222992), (9680, 219191), (9688, 219010), (9955, 213136), (10136, 209330), (12110, 175208), (12670, 167464), (13321, 159280), (13552, 156565), (13840, 153307), (13937, 152240), (14480, 146531), (15224, 139370), (15928, 133210), (16940, 125252), (19030, 111496), (19376, 109505), (19910, 106568), (20272, 104665), (20933, 101360), (21901, 96880), (24220, 87604), (25340, 83732), (26642, 79640), (27874, 76120), (30448, 69685), (31313, 67760), (31856, 66605), (33880, 62626), (38060, 55748), (39820, 53284), (41866, 50680), (43802, 48440)]