79104520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 205856640

約数和(自身を除く): 126752120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 43, 44, 55, 74, 86, 88, 110, 113, 148, 172, 185, 215, 220, 226, 296, 344, 370, 407, 430, 440, 452, 473, 565, 740, 814, 860, 904, 946, 1130, 1243, 1480, 1591, 1628, 1720, 1892, 2035, 2260, 2365, 2486, 3182, 3256, 3784, 4070, 4181, 4520, 4730, 4859, 4972, 6215, 6364, 7955, 8140, 8362, 9460, 9718, 9944, 12430, 12728, 15910, 16280, 16724, 17501, 18920, 19436, 20905, 24295, 24860, 31820, 33448, 35002, 38872, 41810, 45991, 48590, 49720, 53449, 63640, 70004, 83620, 87505, 91982, 97180, 106898, 140008, 167240, 175010, 179783, 183964, 194360, 213796, 229955, 267245, 350020, 359566, 367928, 427592, 459910, 534490, 700040, 719132, 898915, 919820, 1068980, 1438264, 1797830, 1839640, 1977613, 2137960, 3595660, 3955226, 7191320, 7910452, 9888065, 15820904, 19776130, 39552260, 79104520]

約数ペア:

[(1, 79104520), (2, 39552260), (4, 19776130), (5, 15820904), (8, 9888065), (10, 7910452), (11, 7191320), (20, 3955226), (22, 3595660), (37, 2137960), (40, 1977613), (43, 1839640), (44, 1797830), (55, 1438264), (74, 1068980), (86, 919820), (88, 898915), (110, 719132), (113, 700040), (148, 534490), (172, 459910), (185, 427592), (215, 367928), (220, 359566), (226, 350020), (296, 267245), (344, 229955), (370, 213796), (407, 194360), (430, 183964), (440, 179783), (452, 175010), (473, 167240), (565, 140008), (740, 106898), (814, 97180), (860, 91982), (904, 87505), (946, 83620), (1130, 70004), (1243, 63640), (1480, 53449), (1591, 49720), (1628, 48590), (1720, 45991), (1892, 41810), (2035, 38872), (2260, 35002), (2365, 33448), (2486, 31820), (3182, 24860), (3256, 24295), (3784, 20905), (4070, 19436), (4181, 18920), (4520, 17501), (4730, 16724), (4859, 16280), (4972, 15910), (6215, 12728), (6364, 12430), (7955, 9944), (8140, 9718), (8362, 9460)]