209235120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28123}}^1$

素因数の和:28170

約数の個数: 80

約数和(自身を含む): 669576192

約数和(自身を除く): 460341072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28123, 56246, 84369, 112492, 140615, 168738, 224984, 281230, 337476, 421845, 449968, 562460, 674952, 843690, 871813, 1124920, 1349904, 1687380, 1743626, 2249840, 2615439, 3374760, 3487252, 4359065, 5230878, 6749520, 6974504, 8718130, 10461756, 13077195, 13949008, 17436260, 20923512, 26154390, 34872520, 41847024, 52308780, 69745040, 104617560, 209235120]

約数ペア:

[(1, 209235120), (2, 104617560), (3, 69745040), (4, 52308780), (5, 41847024), (6, 34872520), (8, 26154390), (10, 20923512), (12, 17436260), (15, 13949008), (16, 13077195), (20, 10461756), (24, 8718130), (30, 6974504), (31, 6749520), (40, 5230878), (48, 4359065), (60, 3487252), (62, 3374760), (80, 2615439), (93, 2249840), (120, 1743626), (124, 1687380), (155, 1349904), (186, 1124920), (240, 871813), (248, 843690), (310, 674952), (372, 562460), (465, 449968), (496, 421845), (620, 337476), (744, 281230), (930, 224984), (1240, 168738), (1488, 140615), (1860, 112492), (2480, 84369), (3720, 56246), (7440, 28123)]