252507780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{3181}}^1$

素因数の和:3216

約数の個数: 180

約数和(自身を含む): 921742668

約数和(自身を除く): 669234888

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, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3181, 3780, 3969, 4410, 5292, 5670, 6362, 6615, 7938, 8820, 9543, 11340, 12724, 13230, 15876, 15905, 19086, 19845, 22267, 26460, 28629, 31810, 38172, 39690, 44534, 47715, 57258, 63620, 66801, 79380, 85887, 89068, 95430, 111335, 114516, 133602, 143145, 155869, 171774, 190860, 200403, 222670, 257661, 267204, 286290, 311738, 334005, 343548, 400806, 429435, 445340, 467607, 515322, 572580, 601209, 623476, 668010, 779345, 801612, 858870, 935214, 1002015, 1030644, 1202418, 1288305, 1336020, 1402821, 1558690, 1717740, 1803627, 1870428, 2004030, 2338035, 2404836, 2576610, 2805642, 3006045, 3117380, 3607254, 4008060, 4208463, 4676070, 5153220, 5611284, 6012090, 7014105, 7214508, 8416926, 9018135, 9352140, 12024180, 12625389, 14028210, 16833852, 18036270, 21042315, 25250778, 28056420, 36072540, 42084630, 50501556, 63126945, 84169260, 126253890, 252507780]

約数ペア:

[(1, 252507780), (2, 126253890), (3, 84169260), (4, 63126945), (5, 50501556), (6, 42084630), (7, 36072540), (9, 28056420), (10, 25250778), (12, 21042315), (14, 18036270), (15, 16833852), (18, 14028210), (20, 12625389), (21, 12024180), (27, 9352140), (28, 9018135), (30, 8416926), (35, 7214508), (36, 7014105), (42, 6012090), (45, 5611284), (49, 5153220), (54, 4676070), (60, 4208463), (63, 4008060), (70, 3607254), (81, 3117380), (84, 3006045), (90, 2805642), (98, 2576610), (105, 2404836), (108, 2338035), (126, 2004030), (135, 1870428), (140, 1803627), (147, 1717740), (162, 1558690), (180, 1402821), (189, 1336020), (196, 1288305), (210, 1202418), (245, 1030644), (252, 1002015), (270, 935214), (294, 858870), (315, 801612), (324, 779345), (378, 668010), (405, 623476), (420, 601209), (441, 572580), (490, 515322), (540, 467607), (567, 445340), (588, 429435), (630, 400806), (735, 343548), (756, 334005), (810, 311738), (882, 286290), (945, 267204), (980, 257661), (1134, 222670), (1260, 200403), (1323, 190860), (1470, 171774), (1620, 155869), (1764, 143145), (1890, 133602), (2205, 114516), (2268, 111335), (2646, 95430), (2835, 89068), (2940, 85887), (3181, 79380), (3780, 66801), (3969, 63620), (4410, 57258), (5292, 47715), (5670, 44534), (6362, 39690), (6615, 38172), (7938, 31810), (8820, 28629), (9543, 26460), (11340, 22267), (12724, 19845), (13230, 19086), (15876, 15905)]