205445760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8231}}^1$

素因数の和:8266

約数の個数: 128

約数和(自身を含む): 705317760

約数和(自身を除く): 499872000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8231, 8320, 12480, 16462, 24693, 24960, 32924, 41155, 49386, 65848, 82310, 98772, 107003, 123465, 131696, 164620, 197544, 214006, 246930, 263392, 321009, 329240, 395088, 428012, 493860, 526784, 535015, 642018, 658480, 790176, 856024, 987720, 1053568, 1070030, 1284036, 1316960, 1580352, 1605045, 1712048, 1975440, 2140060, 2568072, 2633920, 3160704, 3210090, 3424096, 3950880, 4280120, 5136144, 5267840, 6420180, 6848192, 7901760, 8560240, 10272288, 12840360, 13696384, 15803520, 17120480, 20544576, 25680720, 34240960, 41089152, 51361440, 68481920, 102722880, 205445760]

約数ペア:

[(1, 205445760), (2, 102722880), (3, 68481920), (4, 51361440), (5, 41089152), (6, 34240960), (8, 25680720), (10, 20544576), (12, 17120480), (13, 15803520), (15, 13696384), (16, 12840360), (20, 10272288), (24, 8560240), (26, 7901760), (30, 6848192), (32, 6420180), (39, 5267840), (40, 5136144), (48, 4280120), (52, 3950880), (60, 3424096), (64, 3210090), (65, 3160704), (78, 2633920), (80, 2568072), (96, 2140060), (104, 1975440), (120, 1712048), (128, 1605045), (130, 1580352), (156, 1316960), (160, 1284036), (192, 1070030), (195, 1053568), (208, 987720), (240, 856024), (260, 790176), (312, 658480), (320, 642018), (384, 535015), (390, 526784), (416, 493860), (480, 428012), (520, 395088), (624, 329240), (640, 321009), (780, 263392), (832, 246930), (960, 214006), (1040, 197544), (1248, 164620), (1560, 131696), (1664, 123465), (1920, 107003), (2080, 98772), (2496, 82310), (3120, 65848), (4160, 49386), (4992, 41155), (6240, 32924), (8231, 24960), (8320, 24693), (12480, 16462)]