257058720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178513}}^1$

素因数の和:178534

約数の個数: 72

約数和(自身を含む): 877217796

約数和(自身を除く): 620159076

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 178513, 357026, 535539, 714052, 892565, 1071078, 1428104, 1606617, 1785130, 2142156, 2677695, 2856208, 3213234, 3570260, 4284312, 5355390, 5712416, 6426468, 7140520, 8033085, 8568624, 10710780, 12852936, 14281040, 16066170, 17137248, 21421560, 25705872, 28562080, 32132340, 42843120, 51411744, 64264680, 85686240, 128529360, 257058720]

約数ペア:

[(1, 257058720), (2, 128529360), (3, 85686240), (4, 64264680), (5, 51411744), (6, 42843120), (8, 32132340), (9, 28562080), (10, 25705872), (12, 21421560), (15, 17137248), (16, 16066170), (18, 14281040), (20, 12852936), (24, 10710780), (30, 8568624), (32, 8033085), (36, 7140520), (40, 6426468), (45, 5712416), (48, 5355390), (60, 4284312), (72, 3570260), (80, 3213234), (90, 2856208), (96, 2677695), (120, 2142156), (144, 1785130), (160, 1606617), (180, 1428104), (240, 1071078), (288, 892565), (360, 714052), (480, 535539), (720, 357026), (1440, 178513)]