31274880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:221

約数の個数: 256

約数和(自身を含む): 123379200

約数和(自身を除く): 92104320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 179, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 358, 364, 384, 390, 416, 420, 448, 455, 480, 520, 537, 546, 560, 624, 640, 672, 716, 728, 780, 832, 840, 895, 896, 910, 960, 1040, 1074, 1092, 1120, 1248, 1253, 1344, 1365, 1432, 1456, 1560, 1664, 1680, 1790, 1820, 1920, 2080, 2148, 2184, 2240, 2327, 2496, 2506, 2685, 2688, 2730, 2864, 2912, 3120, 3360, 3580, 3640, 3759, 4160, 4296, 4368, 4480, 4654, 4992, 5012, 5370, 5460, 5728, 5824, 6240, 6265, 6720, 6981, 7160, 7280, 7518, 8320, 8592, 8736, 9308, 10024, 10740, 10920, 11456, 11635, 11648, 12480, 12530, 13440, 13962, 14320, 14560, 15036, 16289, 17184, 17472, 18616, 18795, 20048, 21480, 21840, 22912, 23270, 24960, 25060, 27924, 28640, 29120, 30072, 32578, 34368, 34905, 34944, 37232, 37590, 40096, 42960, 43680, 46540, 48867, 50120, 55848, 57280, 58240, 60144, 65156, 68736, 69810, 74464, 75180, 80192, 81445, 85920, 87360, 93080, 97734, 100240, 111696, 114560, 120288, 130312, 139620, 148928, 150360, 160384, 162890, 171840, 174720, 186160, 195468, 200480, 223392, 240576, 244335, 260624, 279240, 297856, 300720, 325780, 343680, 372320, 390936, 400960, 446784, 481152, 488670, 521248, 558480, 601440, 651560, 744640, 781872, 801920, 893568, 977340, 1042496, 1116960, 1202880, 1303120, 1489280, 1563744, 1954680, 2084992, 2233920, 2405760, 2606240, 3127488, 3909360, 4467840, 5212480, 6254976, 7818720, 10424960, 15637440, 31274880]

約数ペア:

[(1, 31274880), (2, 15637440), (3, 10424960), (4, 7818720), (5, 6254976), (6, 5212480), (7, 4467840), (8, 3909360), (10, 3127488), (12, 2606240), (13, 2405760), (14, 2233920), (15, 2084992), (16, 1954680), (20, 1563744), (21, 1489280), (24, 1303120), (26, 1202880), (28, 1116960), (30, 1042496), (32, 977340), (35, 893568), (39, 801920), (40, 781872), (42, 744640), (48, 651560), (52, 601440), (56, 558480), (60, 521248), (64, 488670), (65, 481152), (70, 446784), (78, 400960), (80, 390936), (84, 372320), (91, 343680), (96, 325780), (104, 300720), (105, 297856), (112, 279240), (120, 260624), (128, 244335), (130, 240576), (140, 223392), (156, 200480), (160, 195468), (168, 186160), (179, 174720), (182, 171840), (192, 162890), (195, 160384), (208, 150360), (210, 148928), (224, 139620), (240, 130312), (260, 120288), (273, 114560), (280, 111696), (312, 100240), (320, 97734), (336, 93080), (358, 87360), (364, 85920), (384, 81445), (390, 80192), (416, 75180), (420, 74464), (448, 69810), (455, 68736), (480, 65156), (520, 60144), (537, 58240), (546, 57280), (560, 55848), (624, 50120), (640, 48867), (672, 46540), (716, 43680), (728, 42960), (780, 40096), (832, 37590), (840, 37232), (895, 34944), (896, 34905), (910, 34368), (960, 32578), (1040, 30072), (1074, 29120), (1092, 28640), (1120, 27924), (1248, 25060), (1253, 24960), (1344, 23270), (1365, 22912), (1432, 21840), (1456, 21480), (1560, 20048), (1664, 18795), (1680, 18616), (1790, 17472), (1820, 17184), (1920, 16289), (2080, 15036), (2148, 14560), (2184, 14320), (2240, 13962), (2327, 13440), (2496, 12530), (2506, 12480), (2685, 11648), (2688, 11635), (2730, 11456), (2864, 10920), (2912, 10740), (3120, 10024), (3360, 9308), (3580, 8736), (3640, 8592), (3759, 8320), (4160, 7518), (4296, 7280), (4368, 7160), (4480, 6981), (4654, 6720), (4992, 6265), (5012, 6240), (5370, 5824), (5460, 5728)]