220876240

素因数分解:

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

素因数の和:118

約数の個数: 180

約数和(自身を含む): 608395212

約数和(自身を除く): 387518972

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, 169, 170, 208, 221, 248, 260, 272, 310, 338, 340, 403, 442, 496, 520, 527, 620, 676, 680, 806, 845, 884, 961, 1040, 1054, 1105, 1240, 1352, 1360, 1612, 1690, 1768, 1922, 2015, 2108, 2210, 2480, 2635, 2704, 2873, 3224, 3380, 3536, 3844, 4030, 4216, 4420, 4805, 5239, 5270, 5746, 6448, 6760, 6851, 7688, 8060, 8432, 8840, 9610, 10478, 10540, 11492, 12493, 13520, 13702, 14365, 15376, 16120, 16337, 17680, 19220, 20956, 21080, 22984, 24986, 26195, 27404, 28730, 32240, 32674, 34255, 38440, 41912, 42160, 45968, 49972, 52390, 54808, 57460, 62465, 65348, 68510, 76880, 81685, 83824, 89063, 99944, 104780, 109616, 114920, 124930, 130696, 137020, 162409, 163370, 178126, 199888, 209560, 212381, 229840, 249860, 261392, 274040, 324818, 326740, 356252, 419120, 424762, 445315, 499720, 548080, 649636, 653480, 712504, 812045, 849524, 890630, 999440, 1061905, 1299272, 1306960, 1425008, 1624090, 1699048, 1781260, 2123810, 2598544, 2760953, 3248180, 3398096, 3562520, 4247620, 5521906, 6496360, 7125040, 8495240, 11043812, 12992720, 13804765, 16990480, 22087624, 27609530, 44175248, 55219060, 110438120, 220876240]

約数ペア:

[(1, 220876240), (2, 110438120), (4, 55219060), (5, 44175248), (8, 27609530), (10, 22087624), (13, 16990480), (16, 13804765), (17, 12992720), (20, 11043812), (26, 8495240), (31, 7125040), (34, 6496360), (40, 5521906), (52, 4247620), (62, 3562520), (65, 3398096), (68, 3248180), (80, 2760953), (85, 2598544), (104, 2123810), (124, 1781260), (130, 1699048), (136, 1624090), (155, 1425008), (169, 1306960), (170, 1299272), (208, 1061905), (221, 999440), (248, 890630), (260, 849524), (272, 812045), (310, 712504), (338, 653480), (340, 649636), (403, 548080), (442, 499720), (496, 445315), (520, 424762), (527, 419120), (620, 356252), (676, 326740), (680, 324818), (806, 274040), (845, 261392), (884, 249860), (961, 229840), (1040, 212381), (1054, 209560), (1105, 199888), (1240, 178126), (1352, 163370), (1360, 162409), (1612, 137020), (1690, 130696), (1768, 124930), (1922, 114920), (2015, 109616), (2108, 104780), (2210, 99944), (2480, 89063), (2635, 83824), (2704, 81685), (2873, 76880), (3224, 68510), (3380, 65348), (3536, 62465), (3844, 57460), (4030, 54808), (4216, 52390), (4420, 49972), (4805, 45968), (5239, 42160), (5270, 41912), (5746, 38440), (6448, 34255), (6760, 32674), (6851, 32240), (7688, 28730), (8060, 27404), (8432, 26195), (8840, 24986), (9610, 22984), (10478, 21080), (10540, 20956), (11492, 19220), (12493, 17680), (13520, 16337), (13702, 16120), (14365, 15376)]