18536613680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{1091}}^1$

素因数の和:1196

約数の個数: 240

約数和(自身を含む): 50825934432

約数和(自身を除く): 32289320752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 170, 208, 221, 248, 260, 272, 310, 340, 403, 442, 496, 520, 527, 620, 680, 806, 884, 961, 1040, 1054, 1091, 1105, 1240, 1360, 1612, 1768, 1922, 2015, 2108, 2182, 2210, 2480, 2635, 3224, 3536, 3844, 4030, 4216, 4364, 4420, 4805, 5270, 5455, 6448, 6851, 7688, 8060, 8432, 8728, 8840, 9610, 10540, 10910, 12493, 13702, 14183, 15376, 16120, 16337, 17456, 17680, 18547, 19220, 21080, 21820, 24986, 27404, 28366, 32240, 32674, 33821, 34255, 37094, 38440, 42160, 43640, 49972, 54808, 56732, 62465, 65348, 67642, 68510, 70915, 74188, 76880, 81685, 87280, 92735, 99944, 109616, 113464, 124930, 130696, 135284, 137020, 141830, 148376, 163370, 169105, 185470, 199888, 212381, 226928, 241111, 249860, 261392, 270568, 274040, 283660, 296752, 326740, 338210, 370940, 424762, 439673, 482222, 499720, 541136, 548080, 567320, 574957, 653480, 676420, 741880, 849524, 879346, 964444, 999440, 1048451, 1061905, 1134640, 1149914, 1205555, 1306960, 1352840, 1483760, 1699048, 1758692, 1928888, 2096902, 2123810, 2198365, 2299828, 2411110, 2705680, 2874785, 3398096, 3517384, 3857776, 4193804, 4247620, 4396730, 4599656, 4822220, 5242255, 5749570, 7034768, 7474441, 8387608, 8495240, 8793460, 9199312, 9644440, 10484510, 11499140, 13629863, 14948882, 16775216, 16990480, 17586920, 17823667, 19288880, 20969020, 22998280, 27259726, 29897764, 35173840, 35647334, 37372205, 41938040, 45996560, 54519452, 59795528, 68149315, 71294668, 74744410, 83876080, 89118335, 109038904, 119591056, 136298630, 142589336, 149488820, 178236670, 218077808, 231707671, 272597260, 285178672, 298977640, 356473340, 463415342, 545194520, 597955280, 712946680, 926830684, 1090389040, 1158538355, 1425893360, 1853661368, 2317076710, 3707322736, 4634153420, 9268306840, 18536613680]

約数ペア:

[(1, 18536613680), (2, 9268306840), (4, 4634153420), (5, 3707322736), (8, 2317076710), (10, 1853661368), (13, 1425893360), (16, 1158538355), (17, 1090389040), (20, 926830684), (26, 712946680), (31, 597955280), (34, 545194520), (40, 463415342), (52, 356473340), (62, 298977640), (65, 285178672), (68, 272597260), (80, 231707671), (85, 218077808), (104, 178236670), (124, 149488820), (130, 142589336), (136, 136298630), (155, 119591056), (170, 109038904), (208, 89118335), (221, 83876080), (248, 74744410), (260, 71294668), (272, 68149315), (310, 59795528), (340, 54519452), (403, 45996560), (442, 41938040), (496, 37372205), (520, 35647334), (527, 35173840), (620, 29897764), (680, 27259726), (806, 22998280), (884, 20969020), (961, 19288880), (1040, 17823667), (1054, 17586920), (1091, 16990480), (1105, 16775216), (1240, 14948882), (1360, 13629863), (1612, 11499140), (1768, 10484510), (1922, 9644440), (2015, 9199312), (2108, 8793460), (2182, 8495240), (2210, 8387608), (2480, 7474441), (2635, 7034768), (3224, 5749570), (3536, 5242255), (3844, 4822220), (4030, 4599656), (4216, 4396730), (4364, 4247620), (4420, 4193804), (4805, 3857776), (5270, 3517384), (5455, 3398096), (6448, 2874785), (6851, 2705680), (7688, 2411110), (8060, 2299828), (8432, 2198365), (8728, 2123810), (8840, 2096902), (9610, 1928888), (10540, 1758692), (10910, 1699048), (12493, 1483760), (13702, 1352840), (14183, 1306960), (15376, 1205555), (16120, 1149914), (16337, 1134640), (17456, 1061905), (17680, 1048451), (18547, 999440), (19220, 964444), (21080, 879346), (21820, 849524), (24986, 741880), (27404, 676420), (28366, 653480), (32240, 574957), (32674, 567320), (33821, 548080), (34255, 541136), (37094, 499720), (38440, 482222), (42160, 439673), (43640, 424762), (49972, 370940), (54808, 338210), (56732, 326740), (62465, 296752), (65348, 283660), (67642, 274040), (68510, 270568), (70915, 261392), (74188, 249860), (76880, 241111), (81685, 226928), (87280, 212381), (92735, 199888), (99944, 185470), (109616, 169105), (113464, 163370), (124930, 148376), (130696, 141830), (135284, 137020)]