161586880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 224

約数和(自身を含む): 491581440

約数和(自身を除く): 329994560

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, 91, 104, 112, 124, 130, 140, 155, 160, 179, 182, 208, 217, 224, 248, 260, 280, 310, 320, 358, 364, 403, 416, 434, 448, 455, 496, 520, 560, 620, 716, 728, 806, 832, 868, 895, 910, 992, 1040, 1085, 1120, 1240, 1253, 1432, 1456, 1612, 1736, 1790, 1820, 1984, 2015, 2080, 2170, 2240, 2327, 2480, 2506, 2821, 2864, 2912, 3224, 3472, 3580, 3640, 4030, 4160, 4340, 4654, 4960, 5012, 5549, 5642, 5728, 5824, 6265, 6448, 6944, 7160, 7280, 8060, 8680, 9308, 9920, 10024, 11098, 11284, 11456, 11635, 12530, 12896, 13888, 14105, 14320, 14560, 16120, 16289, 17360, 18616, 20048, 22196, 22568, 23270, 25060, 25792, 27745, 28210, 28640, 29120, 32240, 32578, 34720, 37232, 38843, 40096, 44392, 45136, 46540, 50120, 55490, 56420, 57280, 64480, 65156, 69440, 72137, 74464, 77686, 80192, 81445, 88784, 90272, 93080, 100240, 110980, 112840, 128960, 130312, 144274, 148928, 155372, 162890, 177568, 180544, 186160, 194215, 200480, 221960, 225680, 260624, 288548, 310744, 325780, 355136, 360685, 372320, 388430, 400960, 443920, 451360, 504959, 521248, 577096, 621488, 651560, 721370, 744640, 776860, 887840, 902720, 1009918, 1042496, 1154192, 1242976, 1303120, 1442740, 1553720, 1775680, 2019836, 2308384, 2485952, 2524795, 2606240, 2885480, 3107440, 4039672, 4616768, 5049590, 5212480, 5770960, 6214880, 8079344, 10099180, 11541920, 12429760, 16158688, 20198360, 23083840, 32317376, 40396720, 80793440, 161586880]

約数ペア:

[(1, 161586880), (2, 80793440), (4, 40396720), (5, 32317376), (7, 23083840), (8, 20198360), (10, 16158688), (13, 12429760), (14, 11541920), (16, 10099180), (20, 8079344), (26, 6214880), (28, 5770960), (31, 5212480), (32, 5049590), (35, 4616768), (40, 4039672), (52, 3107440), (56, 2885480), (62, 2606240), (64, 2524795), (65, 2485952), (70, 2308384), (80, 2019836), (91, 1775680), (104, 1553720), (112, 1442740), (124, 1303120), (130, 1242976), (140, 1154192), (155, 1042496), (160, 1009918), (179, 902720), (182, 887840), (208, 776860), (217, 744640), (224, 721370), (248, 651560), (260, 621488), (280, 577096), (310, 521248), (320, 504959), (358, 451360), (364, 443920), (403, 400960), (416, 388430), (434, 372320), (448, 360685), (455, 355136), (496, 325780), (520, 310744), (560, 288548), (620, 260624), (716, 225680), (728, 221960), (806, 200480), (832, 194215), (868, 186160), (895, 180544), (910, 177568), (992, 162890), (1040, 155372), (1085, 148928), (1120, 144274), (1240, 130312), (1253, 128960), (1432, 112840), (1456, 110980), (1612, 100240), (1736, 93080), (1790, 90272), (1820, 88784), (1984, 81445), (2015, 80192), (2080, 77686), (2170, 74464), (2240, 72137), (2327, 69440), (2480, 65156), (2506, 64480), (2821, 57280), (2864, 56420), (2912, 55490), (3224, 50120), (3472, 46540), (3580, 45136), (3640, 44392), (4030, 40096), (4160, 38843), (4340, 37232), (4654, 34720), (4960, 32578), (5012, 32240), (5549, 29120), (5642, 28640), (5728, 28210), (5824, 27745), (6265, 25792), (6448, 25060), (6944, 23270), (7160, 22568), (7280, 22196), (8060, 20048), (8680, 18616), (9308, 17360), (9920, 16289), (10024, 16120), (11098, 14560), (11284, 14320), (11456, 14105), (11635, 13888), (12530, 12896)]