118576720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 292481280

約数和(自身を除く): 173904560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 181, 190, 304, 362, 380, 431, 724, 760, 862, 905, 1448, 1520, 1724, 1810, 2155, 2896, 3439, 3448, 3620, 4310, 6878, 6896, 7240, 8189, 8620, 13756, 14480, 16378, 17195, 17240, 27512, 32756, 34390, 34480, 40945, 55024, 65512, 68780, 78011, 81890, 131024, 137560, 156022, 163780, 275120, 312044, 327560, 390055, 624088, 655120, 780110, 1248176, 1482209, 1560220, 2964418, 3120440, 5928836, 6240880, 7411045, 11857672, 14822090, 23715344, 29644180, 59288360, 118576720]

約数ペア:

[(1, 118576720), (2, 59288360), (4, 29644180), (5, 23715344), (8, 14822090), (10, 11857672), (16, 7411045), (19, 6240880), (20, 5928836), (38, 3120440), (40, 2964418), (76, 1560220), (80, 1482209), (95, 1248176), (152, 780110), (181, 655120), (190, 624088), (304, 390055), (362, 327560), (380, 312044), (431, 275120), (724, 163780), (760, 156022), (862, 137560), (905, 131024), (1448, 81890), (1520, 78011), (1724, 68780), (1810, 65512), (2155, 55024), (2896, 40945), (3439, 34480), (3448, 34390), (3620, 32756), (4310, 27512), (6878, 17240), (6896, 17195), (7240, 16378), (8189, 14480), (8620, 13756)]