128965920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 192

約数和(自身を含む): 435456000

約数和(自身を除く): 306490080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 79, 80, 95, 96, 114, 120, 152, 158, 160, 179, 190, 228, 237, 240, 285, 304, 316, 358, 380, 395, 456, 474, 480, 537, 570, 608, 632, 716, 760, 790, 895, 912, 948, 1074, 1140, 1185, 1264, 1432, 1501, 1520, 1580, 1790, 1824, 1896, 2148, 2280, 2370, 2528, 2685, 2864, 3002, 3040, 3160, 3401, 3580, 3792, 4296, 4503, 4560, 4740, 5370, 5728, 6004, 6320, 6802, 7160, 7505, 7584, 8592, 9006, 9120, 9480, 10203, 10740, 12008, 12640, 13604, 14141, 14320, 15010, 17005, 17184, 18012, 18960, 20406, 21480, 22515, 24016, 27208, 28282, 28640, 30020, 34010, 36024, 37920, 40812, 42423, 42960, 45030, 48032, 51015, 54416, 56564, 60040, 68020, 70705, 72048, 81624, 84846, 85920, 90060, 102030, 108832, 113128, 120080, 136040, 141410, 144096, 163248, 169692, 180120, 204060, 212115, 226256, 240160, 268679, 272080, 282820, 326496, 339384, 360240, 408120, 424230, 452512, 537358, 544160, 565640, 678768, 720480, 806037, 816240, 848460, 1074716, 1131280, 1343395, 1357536, 1612074, 1632480, 1696920, 2149432, 2262560, 2686790, 3224148, 3393840, 4030185, 4298864, 5373580, 6448296, 6787680, 8060370, 8597728, 10747160, 12896592, 16120740, 21494320, 25793184, 32241480, 42988640, 64482960, 128965920]

約数ペア:

[(1, 128965920), (2, 64482960), (3, 42988640), (4, 32241480), (5, 25793184), (6, 21494320), (8, 16120740), (10, 12896592), (12, 10747160), (15, 8597728), (16, 8060370), (19, 6787680), (20, 6448296), (24, 5373580), (30, 4298864), (32, 4030185), (38, 3393840), (40, 3224148), (48, 2686790), (57, 2262560), (60, 2149432), (76, 1696920), (79, 1632480), (80, 1612074), (95, 1357536), (96, 1343395), (114, 1131280), (120, 1074716), (152, 848460), (158, 816240), (160, 806037), (179, 720480), (190, 678768), (228, 565640), (237, 544160), (240, 537358), (285, 452512), (304, 424230), (316, 408120), (358, 360240), (380, 339384), (395, 326496), (456, 282820), (474, 272080), (480, 268679), (537, 240160), (570, 226256), (608, 212115), (632, 204060), (716, 180120), (760, 169692), (790, 163248), (895, 144096), (912, 141410), (948, 136040), (1074, 120080), (1140, 113128), (1185, 108832), (1264, 102030), (1432, 90060), (1501, 85920), (1520, 84846), (1580, 81624), (1790, 72048), (1824, 70705), (1896, 68020), (2148, 60040), (2280, 56564), (2370, 54416), (2528, 51015), (2685, 48032), (2864, 45030), (3002, 42960), (3040, 42423), (3160, 40812), (3401, 37920), (3580, 36024), (3792, 34010), (4296, 30020), (4503, 28640), (4560, 28282), (4740, 27208), (5370, 24016), (5728, 22515), (6004, 21480), (6320, 20406), (6802, 18960), (7160, 18012), (7505, 17184), (7584, 17005), (8592, 15010), (9006, 14320), (9120, 14141), (9480, 13604), (10203, 12640), (10740, 12008)]