128404620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 405070848

約数和(自身を除く): 276666228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 127, 137, 164, 180, 205, 246, 254, 274, 369, 381, 410, 411, 492, 508, 548, 615, 635, 685, 738, 762, 820, 822, 1143, 1230, 1233, 1270, 1370, 1476, 1524, 1644, 1845, 1905, 2055, 2286, 2460, 2466, 2540, 2740, 3690, 3810, 4110, 4572, 4932, 5207, 5617, 5715, 6165, 7380, 7620, 8220, 10414, 11234, 11430, 12330, 15621, 16851, 17399, 20828, 22468, 22860, 24660, 26035, 28085, 31242, 33702, 34798, 46863, 50553, 52070, 52197, 56170, 62484, 67404, 69596, 78105, 84255, 86995, 93726, 101106, 104140, 104394, 112340, 156210, 156591, 168510, 173990, 187452, 202212, 208788, 234315, 252765, 260985, 312420, 313182, 337020, 347980, 468630, 505530, 521970, 626364, 713359, 782955, 937260, 1011060, 1043940, 1426718, 1565910, 2140077, 2853436, 3131820, 3566795, 4280154, 6420231, 7133590, 8560308, 10700385, 12840462, 14267180, 21400770, 25680924, 32101155, 42801540, 64202310, 128404620]

約数ペア:

[(1, 128404620), (2, 64202310), (3, 42801540), (4, 32101155), (5, 25680924), (6, 21400770), (9, 14267180), (10, 12840462), (12, 10700385), (15, 8560308), (18, 7133590), (20, 6420231), (30, 4280154), (36, 3566795), (41, 3131820), (45, 2853436), (60, 2140077), (82, 1565910), (90, 1426718), (123, 1043940), (127, 1011060), (137, 937260), (164, 782955), (180, 713359), (205, 626364), (246, 521970), (254, 505530), (274, 468630), (369, 347980), (381, 337020), (410, 313182), (411, 312420), (492, 260985), (508, 252765), (548, 234315), (615, 208788), (635, 202212), (685, 187452), (738, 173990), (762, 168510), (820, 156591), (822, 156210), (1143, 112340), (1230, 104394), (1233, 104140), (1270, 101106), (1370, 93726), (1476, 86995), (1524, 84255), (1644, 78105), (1845, 69596), (1905, 67404), (2055, 62484), (2286, 56170), (2460, 52197), (2466, 52070), (2540, 50553), (2740, 46863), (3690, 34798), (3810, 33702), (4110, 31242), (4572, 28085), (4932, 26035), (5207, 24660), (5617, 22860), (5715, 22468), (6165, 20828), (7380, 17399), (7620, 16851), (8220, 15621), (10414, 12330), (11234, 11430)]