171878720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:632

約数の個数: 112

約数和(自身を含む): 447202560

約数和(自身を除く): 275323840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 320, 395, 416, 520, 523, 632, 790, 832, 1027, 1040, 1046, 1264, 1580, 2054, 2080, 2092, 2528, 2615, 3160, 4108, 4160, 4184, 5056, 5135, 5230, 6320, 6799, 8216, 8368, 10270, 10460, 12640, 13598, 16432, 16736, 20540, 20920, 25280, 27196, 32864, 33472, 33995, 41080, 41317, 41840, 54392, 65728, 67990, 82160, 82634, 83680, 108784, 135980, 164320, 165268, 167360, 206585, 217568, 271960, 328640, 330536, 413170, 435136, 537121, 543920, 661072, 826340, 1074242, 1087840, 1322144, 1652680, 2148484, 2175680, 2644288, 2685605, 3305360, 4296968, 5371210, 6610720, 8593936, 10742420, 13221440, 17187872, 21484840, 34375744, 42969680, 85939360, 171878720]

約数ペア:

[(1, 171878720), (2, 85939360), (4, 42969680), (5, 34375744), (8, 21484840), (10, 17187872), (13, 13221440), (16, 10742420), (20, 8593936), (26, 6610720), (32, 5371210), (40, 4296968), (52, 3305360), (64, 2685605), (65, 2644288), (79, 2175680), (80, 2148484), (104, 1652680), (130, 1322144), (158, 1087840), (160, 1074242), (208, 826340), (260, 661072), (316, 543920), (320, 537121), (395, 435136), (416, 413170), (520, 330536), (523, 328640), (632, 271960), (790, 217568), (832, 206585), (1027, 167360), (1040, 165268), (1046, 164320), (1264, 135980), (1580, 108784), (2054, 83680), (2080, 82634), (2092, 82160), (2528, 67990), (2615, 65728), (3160, 54392), (4108, 41840), (4160, 41317), (4184, 41080), (5056, 33995), (5135, 33472), (5230, 32864), (6320, 27196), (6799, 25280), (8216, 20920), (8368, 20540), (10270, 16736), (10460, 16432), (12640, 13598)]