257460480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22349}}^1$

素因数の和:22376

約数の個数: 108

約数和(自身を含む): 890826300

約数和(自身を除く): 633365820

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22349, 44698, 67047, 89396, 111745, 134094, 178792, 201141, 223490, 268188, 335235, 357584, 402282, 446980, 536376, 670470, 715168, 804564, 893960, 1005705, 1072752, 1340940, 1430336, 1609128, 1787920, 2011410, 2145504, 2681880, 2860672, 3218256, 3575840, 4022820, 4291008, 5363760, 5721344, 6436512, 7151680, 8045640, 8582016, 10727520, 12873024, 14303360, 16091280, 17164032, 21455040, 25746048, 28606720, 32182560, 42910080, 51492096, 64365120, 85820160, 128730240, 257460480]

約数ペア:

[(1, 257460480), (2, 128730240), (3, 85820160), (4, 64365120), (5, 51492096), (6, 42910080), (8, 32182560), (9, 28606720), (10, 25746048), (12, 21455040), (15, 17164032), (16, 16091280), (18, 14303360), (20, 12873024), (24, 10727520), (30, 8582016), (32, 8045640), (36, 7151680), (40, 6436512), (45, 5721344), (48, 5363760), (60, 4291008), (64, 4022820), (72, 3575840), (80, 3218256), (90, 2860672), (96, 2681880), (120, 2145504), (128, 2011410), (144, 1787920), (160, 1609128), (180, 1430336), (192, 1340940), (240, 1072752), (256, 1005705), (288, 893960), (320, 804564), (360, 715168), (384, 670470), (480, 536376), (576, 446980), (640, 402282), (720, 357584), (768, 335235), (960, 268188), (1152, 223490), (1280, 201141), (1440, 178792), (1920, 134094), (2304, 111745), (2880, 89396), (3840, 67047), (5760, 44698), (11520, 22349)]