195390520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 540509760

約数和(自身を除く): 345119240

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 31, 34, 40, 46, 52, 62, 65, 68, 85, 92, 104, 115, 124, 130, 136, 155, 170, 184, 221, 230, 248, 260, 299, 310, 340, 391, 403, 442, 460, 520, 527, 598, 620, 680, 713, 782, 806, 884, 920, 961, 1054, 1105, 1196, 1240, 1426, 1495, 1564, 1612, 1768, 1922, 1955, 2015, 2108, 2210, 2392, 2635, 2852, 2990, 3128, 3224, 3565, 3844, 3910, 4030, 4216, 4420, 4805, 5083, 5270, 5704, 5980, 6851, 7130, 7688, 7820, 8060, 8840, 9269, 9610, 10166, 10540, 11960, 12121, 12493, 13702, 14260, 15640, 16120, 16337, 18538, 19220, 20332, 21080, 22103, 24242, 24986, 25415, 27404, 28520, 32674, 34255, 37076, 38440, 40664, 44206, 46345, 48484, 49972, 50830, 54808, 60605, 62465, 65348, 68510, 74152, 81685, 88412, 92690, 96968, 99944, 101660, 110515, 121210, 124930, 130696, 137020, 157573, 163370, 176824, 185380, 203320, 212381, 221030, 242420, 249860, 274040, 287339, 315146, 326740, 370760, 375751, 424762, 442060, 484840, 499720, 574678, 630292, 653480, 751502, 787865, 849524, 884120, 1061905, 1149356, 1260584, 1436695, 1503004, 1575730, 1699048, 1878755, 2123810, 2298712, 2873390, 3006008, 3151460, 3757510, 4247620, 4884763, 5746780, 6302920, 7515020, 8495240, 9769526, 11493560, 15030040, 19539052, 24423815, 39078104, 48847630, 97695260, 195390520]

約数ペア:

[(1, 195390520), (2, 97695260), (4, 48847630), (5, 39078104), (8, 24423815), (10, 19539052), (13, 15030040), (17, 11493560), (20, 9769526), (23, 8495240), (26, 7515020), (31, 6302920), (34, 5746780), (40, 4884763), (46, 4247620), (52, 3757510), (62, 3151460), (65, 3006008), (68, 2873390), (85, 2298712), (92, 2123810), (104, 1878755), (115, 1699048), (124, 1575730), (130, 1503004), (136, 1436695), (155, 1260584), (170, 1149356), (184, 1061905), (221, 884120), (230, 849524), (248, 787865), (260, 751502), (299, 653480), (310, 630292), (340, 574678), (391, 499720), (403, 484840), (442, 442060), (460, 424762), (520, 375751), (527, 370760), (598, 326740), (620, 315146), (680, 287339), (713, 274040), (782, 249860), (806, 242420), (884, 221030), (920, 212381), (961, 203320), (1054, 185380), (1105, 176824), (1196, 163370), (1240, 157573), (1426, 137020), (1495, 130696), (1564, 124930), (1612, 121210), (1768, 110515), (1922, 101660), (1955, 99944), (2015, 96968), (2108, 92690), (2210, 88412), (2392, 81685), (2635, 74152), (2852, 68510), (2990, 65348), (3128, 62465), (3224, 60605), (3565, 54808), (3844, 50830), (3910, 49972), (4030, 48484), (4216, 46345), (4420, 44206), (4805, 40664), (5083, 38440), (5270, 37076), (5704, 34255), (5980, 32674), (6851, 28520), (7130, 27404), (7688, 25415), (7820, 24986), (8060, 24242), (8840, 22103), (9269, 21080), (9610, 20332), (10166, 19220), (10540, 18538), (11960, 16337), (12121, 16120), (12493, 15640), (13702, 14260)]