25785180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4667

約数の個数: 72

約数和(自身を含む): 80755584

約数和(自身を除く): 54970404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 4621, 5580, 9242, 13863, 18484, 23105, 27726, 41589, 46210, 55452, 69315, 83178, 92420, 138630, 143251, 166356, 207945, 277260, 286502, 415890, 429753, 573004, 716255, 831780, 859506, 1289259, 1432510, 1719012, 2148765, 2578518, 2865020, 4297530, 5157036, 6446295, 8595060, 12892590, 25785180]

約数ペア:

[(1, 25785180), (2, 12892590), (3, 8595060), (4, 6446295), (5, 5157036), (6, 4297530), (9, 2865020), (10, 2578518), (12, 2148765), (15, 1719012), (18, 1432510), (20, 1289259), (30, 859506), (31, 831780), (36, 716255), (45, 573004), (60, 429753), (62, 415890), (90, 286502), (93, 277260), (124, 207945), (155, 166356), (180, 143251), (186, 138630), (279, 92420), (310, 83178), (372, 69315), (465, 55452), (558, 46210), (620, 41589), (930, 27726), (1116, 23105), (1395, 18484), (1860, 13863), (2790, 9242), (4621, 5580)]