80296740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 253483776

約数和(自身を除く): 173187036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 71, 90, 103, 122, 142, 180, 183, 206, 213, 244, 284, 305, 309, 355, 366, 412, 426, 515, 549, 610, 618, 639, 710, 732, 852, 915, 927, 1030, 1065, 1098, 1220, 1236, 1278, 1420, 1545, 1830, 1854, 2060, 2130, 2196, 2556, 2745, 3090, 3195, 3660, 3708, 4260, 4331, 4635, 5490, 6180, 6283, 6390, 7313, 8662, 9270, 10980, 12566, 12780, 12993, 14626, 17324, 18540, 18849, 21655, 21939, 25132, 25986, 29252, 31415, 36565, 37698, 38979, 43310, 43878, 51972, 56547, 62830, 64965, 65817, 73130, 75396, 77958, 86620, 87756, 94245, 109695, 113094, 125660, 129930, 131634, 146260, 155916, 188490, 194895, 219390, 226188, 259860, 263268, 282735, 329085, 376980, 389790, 438780, 446093, 565470, 658170, 779580, 892186, 1130940, 1316340, 1338279, 1784372, 2230465, 2676558, 4014837, 4460930, 5353116, 6691395, 8029674, 8921860, 13382790, 16059348, 20074185, 26765580, 40148370, 80296740]

約数ペア:

[(1, 80296740), (2, 40148370), (3, 26765580), (4, 20074185), (5, 16059348), (6, 13382790), (9, 8921860), (10, 8029674), (12, 6691395), (15, 5353116), (18, 4460930), (20, 4014837), (30, 2676558), (36, 2230465), (45, 1784372), (60, 1338279), (61, 1316340), (71, 1130940), (90, 892186), (103, 779580), (122, 658170), (142, 565470), (180, 446093), (183, 438780), (206, 389790), (213, 376980), (244, 329085), (284, 282735), (305, 263268), (309, 259860), (355, 226188), (366, 219390), (412, 194895), (426, 188490), (515, 155916), (549, 146260), (610, 131634), (618, 129930), (639, 125660), (710, 113094), (732, 109695), (852, 94245), (915, 87756), (927, 86620), (1030, 77958), (1065, 75396), (1098, 73130), (1220, 65817), (1236, 64965), (1278, 62830), (1420, 56547), (1545, 51972), (1830, 43878), (1854, 43310), (2060, 38979), (2130, 37698), (2196, 36565), (2556, 31415), (2745, 29252), (3090, 25986), (3195, 25132), (3660, 21939), (3708, 21655), (4260, 18849), (4331, 18540), (4635, 17324), (5490, 14626), (6180, 12993), (6283, 12780), (6390, 12566), (7313, 10980), (8662, 9270)]