31571280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3373}}^1$

素因数の和:3405

約数の個数: 120

約数和(自身を含む): 114216648

約数和(自身を除く): 82645368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 3373, 4680, 6746, 9360, 10119, 13492, 16865, 20238, 26984, 30357, 33730, 40476, 43849, 50595, 53968, 60714, 67460, 80952, 87698, 101190, 121428, 131547, 134920, 151785, 161904, 175396, 202380, 219245, 242856, 263094, 269840, 303570, 350792, 394641, 404760, 438490, 485712, 526188, 607140, 657735, 701584, 789282, 809520, 876980, 1052376, 1214280, 1315470, 1578564, 1753960, 1973205, 2104752, 2428560, 2630940, 3157128, 3507920, 3946410, 5261880, 6314256, 7892820, 10523760, 15785640, 31571280]

約数ペア:

[(1, 31571280), (2, 15785640), (3, 10523760), (4, 7892820), (5, 6314256), (6, 5261880), (8, 3946410), (9, 3507920), (10, 3157128), (12, 2630940), (13, 2428560), (15, 2104752), (16, 1973205), (18, 1753960), (20, 1578564), (24, 1315470), (26, 1214280), (30, 1052376), (36, 876980), (39, 809520), (40, 789282), (45, 701584), (48, 657735), (52, 607140), (60, 526188), (65, 485712), (72, 438490), (78, 404760), (80, 394641), (90, 350792), (104, 303570), (117, 269840), (120, 263094), (130, 242856), (144, 219245), (156, 202380), (180, 175396), (195, 161904), (208, 151785), (234, 134920), (240, 131547), (260, 121428), (312, 101190), (360, 87698), (390, 80952), (468, 67460), (520, 60714), (585, 53968), (624, 50595), (720, 43849), (780, 40476), (936, 33730), (1040, 30357), (1170, 26984), (1560, 20238), (1872, 16865), (2340, 13492), (3120, 10119), (3373, 9360), (4680, 6746)]