257507160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126229}}^1$

素因数の和:126260

約数の個数: 64

約数和(自身を含む): 817970400

約数和(自身を除く): 560463240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 126229, 252458, 378687, 504916, 631145, 757374, 1009832, 1262290, 1514748, 1893435, 2145893, 2524580, 3029496, 3786870, 4291786, 5049160, 6437679, 7573740, 8583572, 10729465, 12875358, 15147480, 17167144, 21458930, 25750716, 32188395, 42917860, 51501432, 64376790, 85835720, 128753580, 257507160]

約数ペア:

[(1, 257507160), (2, 128753580), (3, 85835720), (4, 64376790), (5, 51501432), (6, 42917860), (8, 32188395), (10, 25750716), (12, 21458930), (15, 17167144), (17, 15147480), (20, 12875358), (24, 10729465), (30, 8583572), (34, 7573740), (40, 6437679), (51, 5049160), (60, 4291786), (68, 3786870), (85, 3029496), (102, 2524580), (120, 2145893), (136, 1893435), (170, 1514748), (204, 1262290), (255, 1009832), (340, 757374), (408, 631145), (510, 504916), (680, 378687), (1020, 252458), (2040, 126229)]