79148720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 120

約数和(自身を含む): 218231568

約数和(自身を除く): 139082848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 196, 244, 245, 280, 305, 331, 392, 427, 488, 490, 560, 610, 662, 784, 854, 976, 980, 1220, 1324, 1655, 1708, 1960, 2135, 2317, 2440, 2648, 2989, 3310, 3416, 3920, 4270, 4634, 4880, 5296, 5978, 6620, 6832, 8540, 9268, 11585, 11956, 13240, 14945, 16219, 17080, 18536, 20191, 23170, 23912, 26480, 29890, 32438, 34160, 37072, 40382, 46340, 47824, 59780, 64876, 80764, 81095, 92680, 100955, 119560, 129752, 141337, 161528, 162190, 185360, 201910, 239120, 259504, 282674, 323056, 324380, 403820, 565348, 648760, 706685, 807640, 989359, 1130696, 1297520, 1413370, 1615280, 1978718, 2261392, 2826740, 3957436, 4946795, 5653480, 7914872, 9893590, 11306960, 15829744, 19787180, 39574360, 79148720]

約数ペア:

[(1, 79148720), (2, 39574360), (4, 19787180), (5, 15829744), (7, 11306960), (8, 9893590), (10, 7914872), (14, 5653480), (16, 4946795), (20, 3957436), (28, 2826740), (35, 2261392), (40, 1978718), (49, 1615280), (56, 1413370), (61, 1297520), (70, 1130696), (80, 989359), (98, 807640), (112, 706685), (122, 648760), (140, 565348), (196, 403820), (244, 324380), (245, 323056), (280, 282674), (305, 259504), (331, 239120), (392, 201910), (427, 185360), (488, 162190), (490, 161528), (560, 141337), (610, 129752), (662, 119560), (784, 100955), (854, 92680), (976, 81095), (980, 80764), (1220, 64876), (1324, 59780), (1655, 47824), (1708, 46340), (1960, 40382), (2135, 37072), (2317, 34160), (2440, 32438), (2648, 29890), (2989, 26480), (3310, 23912), (3416, 23170), (3920, 20191), (4270, 18536), (4634, 17080), (4880, 16219), (5296, 14945), (5978, 13240), (6620, 11956), (6832, 11585), (8540, 9268)]