28553760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 144

約数和(自身を含む): 99066240

約数和(自身を除く): 70512480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 251, 288, 316, 360, 395, 474, 480, 502, 632, 711, 720, 753, 790, 948, 1004, 1185, 1255, 1264, 1422, 1440, 1506, 1580, 1896, 2008, 2259, 2370, 2510, 2528, 2844, 3012, 3160, 3555, 3765, 3792, 4016, 4518, 4740, 5020, 5688, 6024, 6320, 7110, 7530, 7584, 8032, 9036, 9480, 10040, 11295, 11376, 12048, 12640, 14220, 15060, 18072, 18960, 19829, 20080, 22590, 22752, 24096, 28440, 30120, 36144, 37920, 39658, 40160, 45180, 56880, 59487, 60240, 72288, 79316, 90360, 99145, 113760, 118974, 120480, 158632, 178461, 180720, 198290, 237948, 297435, 317264, 356922, 361440, 396580, 475896, 594870, 634528, 713844, 793160, 892305, 951792, 1189740, 1427688, 1586320, 1784610, 1903584, 2379480, 2855376, 3172640, 3569220, 4758960, 5710752, 7138440, 9517920, 14276880, 28553760]

約数ペア:

[(1, 28553760), (2, 14276880), (3, 9517920), (4, 7138440), (5, 5710752), (6, 4758960), (8, 3569220), (9, 3172640), (10, 2855376), (12, 2379480), (15, 1903584), (16, 1784610), (18, 1586320), (20, 1427688), (24, 1189740), (30, 951792), (32, 892305), (36, 793160), (40, 713844), (45, 634528), (48, 594870), (60, 475896), (72, 396580), (79, 361440), (80, 356922), (90, 317264), (96, 297435), (120, 237948), (144, 198290), (158, 180720), (160, 178461), (180, 158632), (237, 120480), (240, 118974), (251, 113760), (288, 99145), (316, 90360), (360, 79316), (395, 72288), (474, 60240), (480, 59487), (502, 56880), (632, 45180), (711, 40160), (720, 39658), (753, 37920), (790, 36144), (948, 30120), (1004, 28440), (1185, 24096), (1255, 22752), (1264, 22590), (1422, 20080), (1440, 19829), (1506, 18960), (1580, 18072), (1896, 15060), (2008, 14220), (2259, 12640), (2370, 12048), (2510, 11376), (2528, 11295), (2844, 10040), (3012, 9480), (3160, 9036), (3555, 8032), (3765, 7584), (3792, 7530), (4016, 7110), (4518, 6320), (4740, 6024), (5020, 5688)]