256443120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{356171}}^1$

素因数の和:356190

約数の個数: 60

約数和(自身を含む): 861223896

約数和(自身を除く): 604780776

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, 356171, 712342, 1068513, 1424684, 1780855, 2137026, 2849368, 3205539, 3561710, 4274052, 5342565, 5698736, 6411078, 7123420, 8548104, 10685130, 12822156, 14246840, 16027695, 17096208, 21370260, 25644312, 28493680, 32055390, 42740520, 51288624, 64110780, 85481040, 128221560, 256443120]

約数ペア:

[(1, 256443120), (2, 128221560), (3, 85481040), (4, 64110780), (5, 51288624), (6, 42740520), (8, 32055390), (9, 28493680), (10, 25644312), (12, 21370260), (15, 17096208), (16, 16027695), (18, 14246840), (20, 12822156), (24, 10685130), (30, 8548104), (36, 7123420), (40, 6411078), (45, 5698736), (48, 5342565), (60, 4274052), (72, 3561710), (80, 3205539), (90, 2849368), (120, 2137026), (144, 1780855), (180, 1424684), (240, 1068513), (360, 712342), (720, 356171)]