81644160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3271}}^1$

素因数の和:3306

約数の個数: 128

約数和(自身を含む): 280344960

約数和(自身を除く): 198700800

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, 3271, 4160, 4992, 6240, 6542, 8320, 9813, 12480, 13084, 16355, 19626, 24960, 26168, 32710, 39252, 42523, 49065, 52336, 65420, 78504, 85046, 98130, 104672, 127569, 130840, 157008, 170092, 196260, 209344, 212615, 255138, 261680, 314016, 340184, 392520, 418688, 425230, 510276, 523360, 628032, 637845, 680368, 785040, 850460, 1020552, 1046720, 1256064, 1275690, 1360736, 1570080, 1700920, 2041104, 2093440, 2551380, 2721472, 3140160, 3401840, 4082208, 5102760, 5442944, 6280320, 6803680, 8164416, 10205520, 13607360, 16328832, 20411040, 27214720, 40822080, 81644160]

約数ペア:

[(1, 81644160), (2, 40822080), (3, 27214720), (4, 20411040), (5, 16328832), (6, 13607360), (8, 10205520), (10, 8164416), (12, 6803680), (13, 6280320), (15, 5442944), (16, 5102760), (20, 4082208), (24, 3401840), (26, 3140160), (30, 2721472), (32, 2551380), (39, 2093440), (40, 2041104), (48, 1700920), (52, 1570080), (60, 1360736), (64, 1275690), (65, 1256064), (78, 1046720), (80, 1020552), (96, 850460), (104, 785040), (120, 680368), (128, 637845), (130, 628032), (156, 523360), (160, 510276), (192, 425230), (195, 418688), (208, 392520), (240, 340184), (260, 314016), (312, 261680), (320, 255138), (384, 212615), (390, 209344), (416, 196260), (480, 170092), (520, 157008), (624, 130840), (640, 127569), (780, 104672), (832, 98130), (960, 85046), (1040, 78504), (1248, 65420), (1560, 52336), (1664, 49065), (1920, 42523), (2080, 39252), (2496, 32710), (3120, 26168), (3271, 24960), (4160, 19626), (4992, 16355), (6240, 13084), (6542, 12480), (8320, 9813)]