278808960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{145213}}^1$

素因数の和:145235

約数の個数: 64

約数和(自身を含む): 888709680

約数和(自身を除く): 609900720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 145213, 290426, 435639, 580852, 726065, 871278, 1161704, 1452130, 1742556, 2178195, 2323408, 2904260, 3485112, 4356390, 4646816, 5808520, 6970224, 8712780, 9293632, 11617040, 13940448, 17425560, 18587264, 23234080, 27880896, 34851120, 46468160, 55761792, 69702240, 92936320, 139404480, 278808960]

約数ペア:

[(1, 278808960), (2, 139404480), (3, 92936320), (4, 69702240), (5, 55761792), (6, 46468160), (8, 34851120), (10, 27880896), (12, 23234080), (15, 18587264), (16, 17425560), (20, 13940448), (24, 11617040), (30, 9293632), (32, 8712780), (40, 6970224), (48, 5808520), (60, 4646816), (64, 4356390), (80, 3485112), (96, 2904260), (120, 2323408), (128, 2178195), (160, 1742556), (192, 1452130), (240, 1161704), (320, 871278), (384, 726065), (480, 580852), (640, 435639), (960, 290426), (1920, 145213)]