72057440

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 215913600

約数和(自身を除く): 143856160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 101, 104, 112, 130, 140, 160, 182, 196, 202, 208, 224, 245, 260, 280, 343, 364, 392, 404, 416, 455, 490, 505, 520, 560, 637, 686, 707, 728, 784, 808, 910, 980, 1010, 1040, 1120, 1274, 1313, 1372, 1414, 1456, 1568, 1616, 1715, 1820, 1960, 2020, 2080, 2548, 2626, 2744, 2828, 2912, 3185, 3232, 3430, 3535, 3640, 3920, 4040, 4459, 4949, 5096, 5252, 5488, 5656, 6370, 6565, 6860, 7070, 7280, 7840, 8080, 8918, 9191, 9898, 10192, 10504, 10976, 11312, 12740, 13130, 13720, 14140, 14560, 16160, 17836, 18382, 19796, 20384, 21008, 22295, 22624, 24745, 25480, 26260, 27440, 28280, 34643, 35672, 36764, 39592, 42016, 44590, 45955, 49490, 50960, 52520, 54880, 56560, 64337, 69286, 71344, 73528, 79184, 89180, 91910, 98980, 101920, 105040, 113120, 128674, 138572, 142688, 147056, 158368, 173215, 178360, 183820, 197960, 210080, 257348, 277144, 294112, 321685, 346430, 356720, 367640, 395920, 450359, 514696, 554288, 643370, 692860, 713440, 735280, 791840, 900718, 1029392, 1108576, 1286740, 1385720, 1470560, 1801436, 2058784, 2251795, 2573480, 2771440, 3602872, 4503590, 5146960, 5542880, 7205744, 9007180, 10293920, 14411488, 18014360, 36028720, 72057440]

約数ペア:

[(1, 72057440), (2, 36028720), (4, 18014360), (5, 14411488), (7, 10293920), (8, 9007180), (10, 7205744), (13, 5542880), (14, 5146960), (16, 4503590), (20, 3602872), (26, 2771440), (28, 2573480), (32, 2251795), (35, 2058784), (40, 1801436), (49, 1470560), (52, 1385720), (56, 1286740), (65, 1108576), (70, 1029392), (80, 900718), (91, 791840), (98, 735280), (101, 713440), (104, 692860), (112, 643370), (130, 554288), (140, 514696), (160, 450359), (182, 395920), (196, 367640), (202, 356720), (208, 346430), (224, 321685), (245, 294112), (260, 277144), (280, 257348), (343, 210080), (364, 197960), (392, 183820), (404, 178360), (416, 173215), (455, 158368), (490, 147056), (505, 142688), (520, 138572), (560, 128674), (637, 113120), (686, 105040), (707, 101920), (728, 98980), (784, 91910), (808, 89180), (910, 79184), (980, 73528), (1010, 71344), (1040, 69286), (1120, 64337), (1274, 56560), (1313, 54880), (1372, 52520), (1414, 50960), (1456, 49490), (1568, 45955), (1616, 44590), (1715, 42016), (1820, 39592), (1960, 36764), (2020, 35672), (2080, 34643), (2548, 28280), (2626, 27440), (2744, 26260), (2828, 25480), (2912, 24745), (3185, 22624), (3232, 22295), (3430, 21008), (3535, 20384), (3640, 19796), (3920, 18382), (4040, 17836), (4459, 16160), (4949, 14560), (5096, 14140), (5252, 13720), (5488, 13130), (5656, 12740), (6370, 11312), (6565, 10976), (6860, 10504), (7070, 10192), (7280, 9898), (7840, 9191), (8080, 8918)]