165351680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:576

約数の個数: 144

約数和(自身を含む): 449843520

約数和(自身を除く): 284491840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 256, 260, 304, 320, 380, 416, 494, 520, 523, 608, 640, 760, 832, 988, 1040, 1046, 1216, 1235, 1280, 1520, 1664, 1976, 2080, 2092, 2432, 2470, 2615, 3040, 3328, 3952, 4160, 4184, 4864, 4940, 5230, 6080, 6799, 7904, 8320, 8368, 9880, 9937, 10460, 12160, 13598, 15808, 16640, 16736, 19760, 19874, 20920, 24320, 27196, 31616, 33472, 33995, 39520, 39748, 41840, 49685, 54392, 63232, 66944, 67990, 79040, 79496, 83680, 99370, 108784, 129181, 133888, 135980, 158080, 158992, 167360, 198740, 217568, 258362, 271960, 316160, 317984, 334720, 397480, 435136, 516724, 543920, 635968, 645905, 669440, 794960, 870272, 1033448, 1087840, 1271936, 1291810, 1589920, 1740544, 2066896, 2175680, 2543872, 2583620, 3179840, 4133792, 4351360, 5167240, 6359680, 8267584, 8702720, 10334480, 12719360, 16535168, 20668960, 33070336, 41337920, 82675840, 165351680]

約数ペア:

[(1, 165351680), (2, 82675840), (4, 41337920), (5, 33070336), (8, 20668960), (10, 16535168), (13, 12719360), (16, 10334480), (19, 8702720), (20, 8267584), (26, 6359680), (32, 5167240), (38, 4351360), (40, 4133792), (52, 3179840), (64, 2583620), (65, 2543872), (76, 2175680), (80, 2066896), (95, 1740544), (104, 1589920), (128, 1291810), (130, 1271936), (152, 1087840), (160, 1033448), (190, 870272), (208, 794960), (247, 669440), (256, 645905), (260, 635968), (304, 543920), (320, 516724), (380, 435136), (416, 397480), (494, 334720), (520, 317984), (523, 316160), (608, 271960), (640, 258362), (760, 217568), (832, 198740), (988, 167360), (1040, 158992), (1046, 158080), (1216, 135980), (1235, 133888), (1280, 129181), (1520, 108784), (1664, 99370), (1976, 83680), (2080, 79496), (2092, 79040), (2432, 67990), (2470, 66944), (2615, 63232), (3040, 54392), (3328, 49685), (3952, 41840), (4160, 39748), (4184, 39520), (4864, 33995), (4940, 33472), (5230, 31616), (6080, 27196), (6799, 24320), (7904, 20920), (8320, 19874), (8368, 19760), (9880, 16736), (9937, 16640), (10460, 15808), (12160, 13598)]