257514480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{357659}}^1$

素因数の和:357678

約数の個数: 60

約数和(自身を含む): 864821880

約数和(自身を除く): 607307400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 357659, 715318, 1072977, 1430636, 1788295, 2145954, 2861272, 3218931, 3576590, 4291908, 5364885, 5722544, 6437862, 7153180, 8583816, 10729770, 12875724, 14306360, 16094655, 17167632, 21459540, 25751448, 28612720, 32189310, 42919080, 51502896, 64378620, 85838160, 128757240, 257514480]

約数ペア:

[(1, 257514480), (2, 128757240), (3, 85838160), (4, 64378620), (5, 51502896), (6, 42919080), (8, 32189310), (9, 28612720), (10, 25751448), (12, 21459540), (15, 17167632), (16, 16094655), (18, 14306360), (20, 12875724), (24, 10729770), (30, 8583816), (36, 7153180), (40, 6437862), (45, 5722544), (48, 5364885), (60, 4291908), (72, 3576590), (80, 3218931), (90, 2861272), (120, 2145954), (144, 1788295), (180, 1430636), (240, 1072977), (360, 715318), (720, 357659)]