71314880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 224

約数和(自身を含む): 218480640

約数和(自身を除く): 147165760

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, 79, 80, 91, 104, 112, 124, 130, 140, 155, 158, 160, 182, 208, 217, 224, 248, 260, 280, 310, 316, 320, 364, 395, 403, 416, 434, 448, 455, 496, 520, 553, 560, 620, 632, 728, 790, 806, 832, 868, 910, 992, 1027, 1040, 1085, 1106, 1120, 1240, 1264, 1456, 1580, 1612, 1736, 1820, 1984, 2015, 2054, 2080, 2170, 2212, 2240, 2449, 2480, 2528, 2765, 2821, 2912, 3160, 3224, 3472, 3640, 4030, 4108, 4160, 4340, 4424, 4898, 4960, 5056, 5135, 5530, 5642, 5824, 6320, 6448, 6944, 7189, 7280, 8060, 8216, 8680, 8848, 9796, 9920, 10270, 11060, 11284, 12245, 12640, 12896, 13888, 14105, 14378, 14560, 16120, 16432, 17143, 17360, 17696, 19592, 20540, 22120, 22568, 24490, 25280, 25792, 28210, 28756, 29120, 31837, 32240, 32864, 34286, 34720, 35392, 35945, 39184, 41080, 44240, 45136, 48980, 56420, 57512, 63674, 64480, 65728, 68572, 69440, 71890, 78368, 82160, 85715, 88480, 90272, 97960, 112840, 115024, 127348, 128960, 137144, 143780, 156736, 159185, 164320, 171430, 176960, 180544, 195920, 222859, 225680, 230048, 254696, 274288, 287560, 318370, 328640, 342860, 391840, 445718, 451360, 460096, 509392, 548576, 575120, 636740, 685720, 783680, 891436, 902720, 1018784, 1097152, 1114295, 1150240, 1273480, 1371440, 1782872, 2037568, 2228590, 2300480, 2546960, 2742880, 3565744, 4457180, 5093920, 5485760, 7131488, 8914360, 10187840, 14262976, 17828720, 35657440, 71314880]

約数ペア:

[(1, 71314880), (2, 35657440), (4, 17828720), (5, 14262976), (7, 10187840), (8, 8914360), (10, 7131488), (13, 5485760), (14, 5093920), (16, 4457180), (20, 3565744), (26, 2742880), (28, 2546960), (31, 2300480), (32, 2228590), (35, 2037568), (40, 1782872), (52, 1371440), (56, 1273480), (62, 1150240), (64, 1114295), (65, 1097152), (70, 1018784), (79, 902720), (80, 891436), (91, 783680), (104, 685720), (112, 636740), (124, 575120), (130, 548576), (140, 509392), (155, 460096), (158, 451360), (160, 445718), (182, 391840), (208, 342860), (217, 328640), (224, 318370), (248, 287560), (260, 274288), (280, 254696), (310, 230048), (316, 225680), (320, 222859), (364, 195920), (395, 180544), (403, 176960), (416, 171430), (434, 164320), (448, 159185), (455, 156736), (496, 143780), (520, 137144), (553, 128960), (560, 127348), (620, 115024), (632, 112840), (728, 97960), (790, 90272), (806, 88480), (832, 85715), (868, 82160), (910, 78368), (992, 71890), (1027, 69440), (1040, 68572), (1085, 65728), (1106, 64480), (1120, 63674), (1240, 57512), (1264, 56420), (1456, 48980), (1580, 45136), (1612, 44240), (1736, 41080), (1820, 39184), (1984, 35945), (2015, 35392), (2054, 34720), (2080, 34286), (2170, 32864), (2212, 32240), (2240, 31837), (2449, 29120), (2480, 28756), (2528, 28210), (2765, 25792), (2821, 25280), (2912, 24490), (3160, 22568), (3224, 22120), (3472, 20540), (3640, 19592), (4030, 17696), (4108, 17360), (4160, 17143), (4340, 16432), (4424, 16120), (4898, 14560), (4960, 14378), (5056, 14105), (5135, 13888), (5530, 12896), (5642, 12640), (5824, 12245), (6320, 11284), (6448, 11060), (6944, 10270), (7189, 9920), (7280, 9796), (8060, 8848), (8216, 8680)]