79724560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 206122968

約数和(自身を除く): 126398408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 61, 62, 68, 80, 85, 122, 124, 136, 155, 170, 244, 248, 272, 305, 310, 340, 488, 496, 527, 610, 620, 680, 961, 976, 1037, 1054, 1220, 1240, 1360, 1891, 1922, 2074, 2108, 2440, 2480, 2635, 3782, 3844, 4148, 4216, 4805, 4880, 5185, 5270, 7564, 7688, 8296, 8432, 9455, 9610, 10370, 10540, 15128, 15376, 16337, 16592, 18910, 19220, 20740, 21080, 30256, 32147, 32674, 37820, 38440, 41480, 42160, 58621, 64294, 65348, 75640, 76880, 81685, 82960, 117242, 128588, 130696, 151280, 160735, 163370, 234484, 257176, 261392, 293105, 321470, 326740, 468968, 514352, 586210, 642940, 653480, 937936, 996557, 1172420, 1285880, 1306960, 1993114, 2344840, 2571760, 3986228, 4689680, 4982785, 7972456, 9965570, 15944912, 19931140, 39862280, 79724560]

約数ペア:

[(1, 79724560), (2, 39862280), (4, 19931140), (5, 15944912), (8, 9965570), (10, 7972456), (16, 4982785), (17, 4689680), (20, 3986228), (31, 2571760), (34, 2344840), (40, 1993114), (61, 1306960), (62, 1285880), (68, 1172420), (80, 996557), (85, 937936), (122, 653480), (124, 642940), (136, 586210), (155, 514352), (170, 468968), (244, 326740), (248, 321470), (272, 293105), (305, 261392), (310, 257176), (340, 234484), (488, 163370), (496, 160735), (527, 151280), (610, 130696), (620, 128588), (680, 117242), (961, 82960), (976, 81685), (1037, 76880), (1054, 75640), (1220, 65348), (1240, 64294), (1360, 58621), (1891, 42160), (1922, 41480), (2074, 38440), (2108, 37820), (2440, 32674), (2480, 32147), (2635, 30256), (3782, 21080), (3844, 20740), (4148, 19220), (4216, 18910), (4805, 16592), (4880, 16337), (5185, 15376), (5270, 15128), (7564, 10540), (7688, 10370), (8296, 9610), (8432, 9455)]