199559520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1157

約数の個数: 144

約数和(自身を含む): 686584080

約数和(自身を除く): 487024560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 139, 144, 160, 180, 240, 278, 288, 360, 417, 480, 556, 695, 720, 834, 997, 1112, 1251, 1390, 1440, 1668, 1994, 2085, 2224, 2502, 2780, 2991, 3336, 3988, 4170, 4448, 4985, 5004, 5560, 5982, 6255, 6672, 7976, 8340, 8973, 9970, 10008, 11120, 11964, 12510, 13344, 14955, 15952, 16680, 17946, 19940, 20016, 22240, 23928, 25020, 29910, 31904, 33360, 35892, 39880, 40032, 44865, 47856, 50040, 59820, 66720, 71784, 79760, 89730, 95712, 100080, 119640, 138583, 143568, 159520, 179460, 200160, 239280, 277166, 287136, 358920, 415749, 478560, 554332, 692915, 717840, 831498, 1108664, 1247247, 1385830, 1435680, 1662996, 2078745, 2217328, 2494494, 2771660, 3325992, 4157490, 4434656, 4988988, 5543320, 6236235, 6651984, 8314980, 9977976, 11086640, 12472470, 13303968, 16629960, 19955952, 22173280, 24944940, 33259920, 39911904, 49889880, 66519840, 99779760, 199559520]

約数ペア:

[(1, 199559520), (2, 99779760), (3, 66519840), (4, 49889880), (5, 39911904), (6, 33259920), (8, 24944940), (9, 22173280), (10, 19955952), (12, 16629960), (15, 13303968), (16, 12472470), (18, 11086640), (20, 9977976), (24, 8314980), (30, 6651984), (32, 6236235), (36, 5543320), (40, 4988988), (45, 4434656), (48, 4157490), (60, 3325992), (72, 2771660), (80, 2494494), (90, 2217328), (96, 2078745), (120, 1662996), (139, 1435680), (144, 1385830), (160, 1247247), (180, 1108664), (240, 831498), (278, 717840), (288, 692915), (360, 554332), (417, 478560), (480, 415749), (556, 358920), (695, 287136), (720, 277166), (834, 239280), (997, 200160), (1112, 179460), (1251, 159520), (1390, 143568), (1440, 138583), (1668, 119640), (1994, 100080), (2085, 95712), (2224, 89730), (2502, 79760), (2780, 71784), (2991, 66720), (3336, 59820), (3988, 50040), (4170, 47856), (4448, 44865), (4985, 40032), (5004, 39880), (5560, 35892), (5982, 33360), (6255, 31904), (6672, 29910), (7976, 25020), (8340, 23928), (8973, 22240), (9970, 20016), (10008, 19940), (11120, 17946), (11964, 16680), (12510, 15952), (13344, 14955)]