18147780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{4801}}^1$

素因数の和:4826

約数の個数: 96

約数和(自身を含む): 64538880

約数和(自身を除く): 46391100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 4801, 9602, 14403, 19204, 24005, 28806, 33607, 43209, 48010, 57612, 67214, 72015, 86418, 96020, 100821, 129627, 134428, 144030, 168035, 172836, 201642, 216045, 259254, 288060, 302463, 336070, 403284, 432090, 504105, 518508, 604926, 648135, 672140, 864180, 907389, 1008210, 1209852, 1296270, 1512315, 1814778, 2016420, 2592540, 3024630, 3629556, 4536945, 6049260, 9073890, 18147780]

約数ペア:

[(1, 18147780), (2, 9073890), (3, 6049260), (4, 4536945), (5, 3629556), (6, 3024630), (7, 2592540), (9, 2016420), (10, 1814778), (12, 1512315), (14, 1296270), (15, 1209852), (18, 1008210), (20, 907389), (21, 864180), (27, 672140), (28, 648135), (30, 604926), (35, 518508), (36, 504105), (42, 432090), (45, 403284), (54, 336070), (60, 302463), (63, 288060), (70, 259254), (84, 216045), (90, 201642), (105, 172836), (108, 168035), (126, 144030), (135, 134428), (140, 129627), (180, 100821), (189, 96020), (210, 86418), (252, 72015), (270, 67214), (315, 57612), (378, 48010), (420, 43209), (540, 33607), (630, 28806), (756, 24005), (945, 19204), (1260, 14403), (1890, 9602), (3780, 4801)]