291061260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{231001}}^1$

素因数の和:231023

約数の個数: 72

約数和(自身を含む): 1009016736

約数和(自身を除く): 717955476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 231001, 462002, 693003, 924004, 1155005, 1386006, 1617007, 2079009, 2310010, 2772012, 3234014, 3465015, 4158018, 4620020, 4851021, 6468028, 6930030, 8085035, 8316036, 9702042, 10395045, 13860060, 14553063, 16170070, 19404084, 20790090, 24255105, 29106126, 32340140, 41580180, 48510210, 58212252, 72765315, 97020420, 145530630, 291061260]

約数ペア:

[(1, 291061260), (2, 145530630), (3, 97020420), (4, 72765315), (5, 58212252), (6, 48510210), (7, 41580180), (9, 32340140), (10, 29106126), (12, 24255105), (14, 20790090), (15, 19404084), (18, 16170070), (20, 14553063), (21, 13860060), (28, 10395045), (30, 9702042), (35, 8316036), (36, 8085035), (42, 6930030), (45, 6468028), (60, 4851021), (63, 4620020), (70, 4158018), (84, 3465015), (90, 3234014), (105, 2772012), (126, 2310010), (140, 2079009), (180, 1617007), (210, 1386006), (252, 1155005), (315, 924004), (420, 693003), (630, 462002), (1260, 231001)]