321456240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{63781}}^1$

素因数の和:63807

約数の個数: 120

約数和(自身を含む): 1233799008

約数和(自身を除く): 912342768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 63781, 127562, 191343, 255124, 318905, 382686, 446467, 510248, 574029, 637810, 765372, 892934, 956715, 1020496, 1148058, 1275620, 1339401, 1530744, 1785868, 1913430, 2232335, 2296116, 2551240, 2678802, 2870145, 3061488, 3571736, 3826860, 4018203, 4464670, 4592232, 5102480, 5357604, 5740290, 6697005, 7143472, 7653720, 8036406, 8929340, 9184464, 10715208, 11480580, 13394010, 15307440, 16072812, 17858680, 20091015, 21430416, 22961160, 26788020, 32145624, 35717360, 40182030, 45922320, 53576040, 64291248, 80364060, 107152080, 160728120, 321456240]

約数ペア:

[(1, 321456240), (2, 160728120), (3, 107152080), (4, 80364060), (5, 64291248), (6, 53576040), (7, 45922320), (8, 40182030), (9, 35717360), (10, 32145624), (12, 26788020), (14, 22961160), (15, 21430416), (16, 20091015), (18, 17858680), (20, 16072812), (21, 15307440), (24, 13394010), (28, 11480580), (30, 10715208), (35, 9184464), (36, 8929340), (40, 8036406), (42, 7653720), (45, 7143472), (48, 6697005), (56, 5740290), (60, 5357604), (63, 5102480), (70, 4592232), (72, 4464670), (80, 4018203), (84, 3826860), (90, 3571736), (105, 3061488), (112, 2870145), (120, 2678802), (126, 2551240), (140, 2296116), (144, 2232335), (168, 1913430), (180, 1785868), (210, 1530744), (240, 1339401), (252, 1275620), (280, 1148058), (315, 1020496), (336, 956715), (360, 892934), (420, 765372), (504, 637810), (560, 574029), (630, 510248), (720, 446467), (840, 382686), (1008, 318905), (1260, 255124), (1680, 191343), (2520, 127562), (5040, 63781)]