16400475

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 37810080

約数和(自身を除く): 21409605

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 81, 89, 91, 105, 117, 135, 175, 189, 195, 225, 267, 273, 315, 325, 351, 405, 445, 455, 525, 567, 585, 623, 675, 801, 819, 945, 975, 1053, 1157, 1335, 1365, 1575, 1755, 1869, 2025, 2225, 2275, 2403, 2457, 2835, 2925, 3115, 3471, 4005, 4095, 4725, 5265, 5607, 5785, 6675, 6825, 7209, 7371, 8099, 8775, 9345, 10413, 12015, 12285, 14175, 15575, 16821, 17355, 20025, 20475, 24297, 26325, 28035, 28925, 31239, 36045, 36855, 40495, 46725, 50463, 52065, 60075, 61425, 72891, 84105, 86775, 93717, 121485, 140175, 156195, 180225, 184275, 202475, 218673, 252315, 260325, 364455, 420525, 468585, 607425, 656019, 780975, 1093365, 1261575, 1822275, 2342925, 3280095, 5466825, 16400475]

約数ペア:

[(1, 16400475), (3, 5466825), (5, 3280095), (7, 2342925), (9, 1822275), (13, 1261575), (15, 1093365), (21, 780975), (25, 656019), (27, 607425), (35, 468585), (39, 420525), (45, 364455), (63, 260325), (65, 252315), (75, 218673), (81, 202475), (89, 184275), (91, 180225), (105, 156195), (117, 140175), (135, 121485), (175, 93717), (189, 86775), (195, 84105), (225, 72891), (267, 61425), (273, 60075), (315, 52065), (325, 50463), (351, 46725), (405, 40495), (445, 36855), (455, 36045), (525, 31239), (567, 28925), (585, 28035), (623, 26325), (675, 24297), (801, 20475), (819, 20025), (945, 17355), (975, 16821), (1053, 15575), (1157, 14175), (1335, 12285), (1365, 12015), (1575, 10413), (1755, 9345), (1869, 8775), (2025, 8099), (2225, 7371), (2275, 7209), (2403, 6825), (2457, 6675), (2835, 5785), (2925, 5607), (3115, 5265), (3471, 4725), (4005, 4095)]