1355340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{461}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 4424112

約数和(自身を除く): 3068772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 461, 490, 588, 735, 922, 980, 1383, 1470, 1844, 2305, 2766, 2940, 3227, 4610, 5532, 6454, 6915, 9220, 9681, 12908, 13830, 16135, 19362, 22589, 27660, 32270, 38724, 45178, 48405, 64540, 67767, 90356, 96810, 112945, 135534, 193620, 225890, 271068, 338835, 451780, 677670, 1355340]

約数ペア:

[(1, 1355340), (2, 677670), (3, 451780), (4, 338835), (5, 271068), (6, 225890), (7, 193620), (10, 135534), (12, 112945), (14, 96810), (15, 90356), (20, 67767), (21, 64540), (28, 48405), (30, 45178), (35, 38724), (42, 32270), (49, 27660), (60, 22589), (70, 19362), (84, 16135), (98, 13830), (105, 12908), (140, 9681), (147, 9220), (196, 6915), (210, 6454), (245, 5532), (294, 4610), (420, 3227), (461, 2940), (490, 2766), (588, 2305), (735, 1844), (922, 1470), (980, 1383)]