215989488

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:672

約数の個数: 240

約数和(自身を含む): 753139296

約数和(自身を除く): 537149808

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 17, 18, 22, 24, 26, 33, 34, 36, 39, 44, 48, 51, 52, 66, 68, 72, 78, 88, 99, 102, 104, 117, 132, 136, 143, 144, 153, 156, 176, 187, 198, 204, 208, 221, 234, 264, 272, 286, 306, 312, 374, 396, 408, 429, 442, 468, 528, 561, 572, 612, 617, 624, 663, 748, 792, 816, 858, 884, 936, 1122, 1144, 1224, 1234, 1287, 1326, 1496, 1584, 1683, 1716, 1768, 1851, 1872, 1989, 2244, 2288, 2431, 2448, 2468, 2574, 2652, 2992, 3366, 3432, 3536, 3702, 3978, 4488, 4862, 4936, 5148, 5304, 5553, 6732, 6787, 6864, 7293, 7404, 7956, 8021, 8976, 9724, 9872, 10296, 10489, 10608, 11106, 13464, 13574, 14586, 14808, 15912, 16042, 19448, 20361, 20592, 20978, 21879, 22212, 24063, 26928, 27148, 29172, 29616, 31467, 31824, 32084, 38896, 40722, 41956, 43758, 44424, 48126, 54296, 58344, 61083, 62934, 64168, 72189, 81444, 83912, 87516, 88231, 88848, 94401, 96252, 108592, 115379, 116688, 122166, 125868, 128336, 136357, 144378, 162888, 167824, 175032, 176462, 188802, 192504, 230758, 244332, 251736, 264693, 272714, 288756, 325776, 346137, 350064, 352924, 377604, 385008, 409071, 461516, 488664, 503472, 529386, 545428, 577512, 692274, 705848, 755208, 794079, 818142, 923032, 977328, 1038411, 1058772, 1090856, 1155024, 1227213, 1384548, 1411696, 1499927, 1510416, 1588158, 1636284, 1846064, 2076822, 2117544, 2181712, 2454426, 2769096, 2999854, 3176316, 3272568, 4153644, 4235088, 4499781, 4908852, 5538192, 5999708, 6352632, 6545136, 8307288, 8999562, 9817704, 11999416, 12705264, 13499343, 16614576, 17999124, 19635408, 23998832, 26998686, 35998248, 53997372, 71996496, 107994744, 215989488]

約数ペア:

[(1, 215989488), (2, 107994744), (3, 71996496), (4, 53997372), (6, 35998248), (8, 26998686), (9, 23998832), (11, 19635408), (12, 17999124), (13, 16614576), (16, 13499343), (17, 12705264), (18, 11999416), (22, 9817704), (24, 8999562), (26, 8307288), (33, 6545136), (34, 6352632), (36, 5999708), (39, 5538192), (44, 4908852), (48, 4499781), (51, 4235088), (52, 4153644), (66, 3272568), (68, 3176316), (72, 2999854), (78, 2769096), (88, 2454426), (99, 2181712), (102, 2117544), (104, 2076822), (117, 1846064), (132, 1636284), (136, 1588158), (143, 1510416), (144, 1499927), (153, 1411696), (156, 1384548), (176, 1227213), (187, 1155024), (198, 1090856), (204, 1058772), (208, 1038411), (221, 977328), (234, 923032), (264, 818142), (272, 794079), (286, 755208), (306, 705848), (312, 692274), (374, 577512), (396, 545428), (408, 529386), (429, 503472), (442, 488664), (468, 461516), (528, 409071), (561, 385008), (572, 377604), (612, 352924), (617, 350064), (624, 346137), (663, 325776), (748, 288756), (792, 272714), (816, 264693), (858, 251736), (884, 244332), (936, 230758), (1122, 192504), (1144, 188802), (1224, 176462), (1234, 175032), (1287, 167824), (1326, 162888), (1496, 144378), (1584, 136357), (1683, 128336), (1716, 125868), (1768, 122166), (1851, 116688), (1872, 115379), (1989, 108592), (2244, 96252), (2288, 94401), (2431, 88848), (2448, 88231), (2468, 87516), (2574, 83912), (2652, 81444), (2992, 72189), (3366, 64168), (3432, 62934), (3536, 61083), (3702, 58344), (3978, 54296), (4488, 48126), (4862, 44424), (4936, 43758), (5148, 41956), (5304, 40722), (5553, 38896), (6732, 32084), (6787, 31824), (6864, 31467), (7293, 29616), (7404, 29172), (7956, 27148), (8021, 26928), (8976, 24063), (9724, 22212), (9872, 21879), (10296, 20978), (10489, 20592), (10608, 20361), (11106, 19448), (13464, 16042), (13574, 15912), (14586, 14808)]