80342080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 224

約数和(自身を含む): 245790720

約数和(自身を除く): 165448640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 89, 91, 104, 112, 124, 130, 140, 155, 160, 178, 182, 208, 217, 224, 248, 260, 280, 310, 320, 356, 364, 403, 416, 434, 445, 448, 455, 496, 520, 560, 620, 623, 712, 728, 806, 832, 868, 890, 910, 992, 1040, 1085, 1120, 1157, 1240, 1246, 1424, 1456, 1612, 1736, 1780, 1820, 1984, 2015, 2080, 2170, 2240, 2314, 2480, 2492, 2759, 2821, 2848, 2912, 3115, 3224, 3472, 3560, 3640, 4030, 4160, 4340, 4628, 4960, 4984, 5518, 5642, 5696, 5785, 5824, 6230, 6448, 6944, 7120, 7280, 8060, 8099, 8680, 9256, 9920, 9968, 11036, 11284, 11570, 12460, 12896, 13795, 13888, 14105, 14240, 14560, 16120, 16198, 17360, 18512, 19313, 19936, 22072, 22568, 23140, 24920, 25792, 27590, 28210, 28480, 29120, 32240, 32396, 34720, 35867, 37024, 38626, 39872, 40495, 44144, 45136, 46280, 49840, 55180, 56420, 64480, 64792, 69440, 71734, 74048, 77252, 80990, 88288, 90272, 92560, 96565, 99680, 110360, 112840, 128960, 129584, 143468, 154504, 161980, 176576, 179335, 180544, 185120, 193130, 199360, 220720, 225680, 251069, 259168, 286936, 309008, 323960, 358670, 370240, 386260, 441440, 451360, 502138, 518336, 573872, 618016, 647920, 717340, 772520, 882880, 902720, 1004276, 1147744, 1236032, 1255345, 1295840, 1434680, 1545040, 2008552, 2295488, 2510690, 2591680, 2869360, 3090080, 4017104, 5021380, 5738720, 6180160, 8034208, 10042760, 11477440, 16068416, 20085520, 40171040, 80342080]

約数ペア:

[(1, 80342080), (2, 40171040), (4, 20085520), (5, 16068416), (7, 11477440), (8, 10042760), (10, 8034208), (13, 6180160), (14, 5738720), (16, 5021380), (20, 4017104), (26, 3090080), (28, 2869360), (31, 2591680), (32, 2510690), (35, 2295488), (40, 2008552), (52, 1545040), (56, 1434680), (62, 1295840), (64, 1255345), (65, 1236032), (70, 1147744), (80, 1004276), (89, 902720), (91, 882880), (104, 772520), (112, 717340), (124, 647920), (130, 618016), (140, 573872), (155, 518336), (160, 502138), (178, 451360), (182, 441440), (208, 386260), (217, 370240), (224, 358670), (248, 323960), (260, 309008), (280, 286936), (310, 259168), (320, 251069), (356, 225680), (364, 220720), (403, 199360), (416, 193130), (434, 185120), (445, 180544), (448, 179335), (455, 176576), (496, 161980), (520, 154504), (560, 143468), (620, 129584), (623, 128960), (712, 112840), (728, 110360), (806, 99680), (832, 96565), (868, 92560), (890, 90272), (910, 88288), (992, 80990), (1040, 77252), (1085, 74048), (1120, 71734), (1157, 69440), (1240, 64792), (1246, 64480), (1424, 56420), (1456, 55180), (1612, 49840), (1736, 46280), (1780, 45136), (1820, 44144), (1984, 40495), (2015, 39872), (2080, 38626), (2170, 37024), (2240, 35867), (2314, 34720), (2480, 32396), (2492, 32240), (2759, 29120), (2821, 28480), (2848, 28210), (2912, 27590), (3115, 25792), (3224, 24920), (3472, 23140), (3560, 22568), (3640, 22072), (4030, 19936), (4160, 19313), (4340, 18512), (4628, 17360), (4960, 16198), (4984, 16120), (5518, 14560), (5642, 14240), (5696, 14105), (5785, 13888), (5824, 13795), (6230, 12896), (6448, 12460), (6944, 11570), (7120, 11284), (7280, 11036), (8060, 9968), (8099, 9920), (8680, 9256)]