307779420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 944455680

約数和(自身を除く): 636676260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 127, 130, 156, 169, 195, 239, 254, 260, 338, 381, 390, 478, 507, 508, 635, 676, 717, 762, 780, 845, 956, 1014, 1195, 1270, 1434, 1524, 1651, 1690, 1905, 2028, 2390, 2535, 2540, 2868, 3107, 3302, 3380, 3585, 3810, 4780, 4953, 5070, 6214, 6604, 7170, 7620, 8255, 9321, 9906, 10140, 12428, 14340, 15535, 16510, 18642, 19812, 21463, 24765, 30353, 31070, 33020, 37284, 40391, 42926, 46605, 49530, 60706, 62140, 64389, 80782, 85852, 91059, 93210, 99060, 107315, 121173, 121412, 128778, 151765, 161564, 182118, 186420, 201955, 214630, 242346, 257556, 303530, 321945, 364236, 394589, 403910, 429260, 455295, 484692, 605865, 607060, 643890, 789178, 807820, 910590, 1183767, 1211730, 1287780, 1578356, 1821180, 1972945, 2367534, 2423460, 3945890, 4735068, 5129657, 5918835, 7891780, 10259314, 11837670, 15388971, 20518628, 23675340, 25648285, 30777942, 51296570, 61555884, 76944855, 102593140, 153889710, 307779420]

約数ペア:

[(1, 307779420), (2, 153889710), (3, 102593140), (4, 76944855), (5, 61555884), (6, 51296570), (10, 30777942), (12, 25648285), (13, 23675340), (15, 20518628), (20, 15388971), (26, 11837670), (30, 10259314), (39, 7891780), (52, 5918835), (60, 5129657), (65, 4735068), (78, 3945890), (127, 2423460), (130, 2367534), (156, 1972945), (169, 1821180), (195, 1578356), (239, 1287780), (254, 1211730), (260, 1183767), (338, 910590), (381, 807820), (390, 789178), (478, 643890), (507, 607060), (508, 605865), (635, 484692), (676, 455295), (717, 429260), (762, 403910), (780, 394589), (845, 364236), (956, 321945), (1014, 303530), (1195, 257556), (1270, 242346), (1434, 214630), (1524, 201955), (1651, 186420), (1690, 182118), (1905, 161564), (2028, 151765), (2390, 128778), (2535, 121412), (2540, 121173), (2868, 107315), (3107, 99060), (3302, 93210), (3380, 91059), (3585, 85852), (3810, 80782), (4780, 64389), (4953, 62140), (5070, 60706), (6214, 49530), (6604, 46605), (7170, 42926), (7620, 40391), (8255, 37284), (9321, 33020), (9906, 31070), (10140, 30353), (12428, 24765), (14340, 21463), (15535, 19812), (16510, 18642)]