209130720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1057

約数の個数: 192

約数和(自身を含む): 724308480

約数和(自身を除く): 515177760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 96, 114, 115, 120, 138, 152, 160, 184, 190, 228, 230, 240, 276, 285, 304, 345, 368, 380, 437, 456, 460, 480, 552, 570, 608, 690, 736, 760, 874, 912, 920, 997, 1104, 1140, 1311, 1380, 1520, 1748, 1824, 1840, 1994, 2185, 2208, 2280, 2622, 2760, 2991, 3040, 3496, 3680, 3988, 4370, 4560, 4985, 5244, 5520, 5982, 6555, 6992, 7976, 8740, 9120, 9970, 10488, 11040, 11964, 13110, 13984, 14955, 15952, 17480, 18943, 19940, 20976, 22931, 23928, 26220, 29910, 31904, 34960, 37886, 39880, 41952, 45862, 47856, 52440, 56829, 59820, 68793, 69920, 75772, 79760, 91724, 94715, 95712, 104880, 113658, 114655, 119640, 137586, 151544, 159520, 183448, 189430, 209760, 227316, 229310, 239280, 275172, 284145, 303088, 343965, 366896, 378860, 435689, 454632, 458620, 478560, 550344, 568290, 606176, 687930, 733792, 757720, 871378, 909264, 917240, 1100688, 1136580, 1307067, 1375860, 1515440, 1742756, 1818528, 1834480, 2178445, 2201376, 2273160, 2614134, 2751720, 3030880, 3485512, 3668960, 4356890, 4546320, 5228268, 5503440, 6535335, 6971024, 8713780, 9092640, 10456536, 11006880, 13070670, 13942048, 17427560, 20913072, 26141340, 34855120, 41826144, 52282680, 69710240, 104565360, 209130720]

約数ペア:

[(1, 209130720), (2, 104565360), (3, 69710240), (4, 52282680), (5, 41826144), (6, 34855120), (8, 26141340), (10, 20913072), (12, 17427560), (15, 13942048), (16, 13070670), (19, 11006880), (20, 10456536), (23, 9092640), (24, 8713780), (30, 6971024), (32, 6535335), (38, 5503440), (40, 5228268), (46, 4546320), (48, 4356890), (57, 3668960), (60, 3485512), (69, 3030880), (76, 2751720), (80, 2614134), (92, 2273160), (95, 2201376), (96, 2178445), (114, 1834480), (115, 1818528), (120, 1742756), (138, 1515440), (152, 1375860), (160, 1307067), (184, 1136580), (190, 1100688), (228, 917240), (230, 909264), (240, 871378), (276, 757720), (285, 733792), (304, 687930), (345, 606176), (368, 568290), (380, 550344), (437, 478560), (456, 458620), (460, 454632), (480, 435689), (552, 378860), (570, 366896), (608, 343965), (690, 303088), (736, 284145), (760, 275172), (874, 239280), (912, 229310), (920, 227316), (997, 209760), (1104, 189430), (1140, 183448), (1311, 159520), (1380, 151544), (1520, 137586), (1748, 119640), (1824, 114655), (1840, 113658), (1994, 104880), (2185, 95712), (2208, 94715), (2280, 91724), (2622, 79760), (2760, 75772), (2991, 69920), (3040, 68793), (3496, 59820), (3680, 56829), (3988, 52440), (4370, 47856), (4560, 45862), (4985, 41952), (5244, 39880), (5520, 37886), (5982, 34960), (6555, 31904), (6992, 29910), (7976, 26220), (8740, 23928), (9120, 22931), (9970, 20976), (10488, 19940), (11040, 18943), (11964, 17480), (13110, 15952), (13984, 14955)]