87856020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{1423}}^1$

素因数の和:1459

約数の個数: 144

約数和(自身を含む): 311001600

約数和(自身を除く): 223145580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1423, 1470, 1715, 1764, 2058, 2205, 2846, 2940, 3087, 3430, 4116, 4269, 4410, 5145, 5692, 6174, 6860, 7115, 8538, 8820, 9961, 10290, 12348, 12807, 14230, 15435, 17076, 19922, 20580, 21345, 25614, 28460, 29883, 30870, 39844, 42690, 49805, 51228, 59766, 61740, 64035, 69727, 85380, 89649, 99610, 119532, 128070, 139454, 149415, 179298, 199220, 209181, 256140, 278908, 298830, 348635, 358596, 418362, 448245, 488089, 597660, 627543, 697270, 836724, 896490, 976178, 1045905, 1255086, 1394540, 1464267, 1792980, 1952356, 2091810, 2440445, 2510172, 2928534, 3137715, 4183620, 4392801, 4880890, 5857068, 6275430, 7321335, 8785602, 9761780, 12550860, 14642670, 17571204, 21964005, 29285340, 43928010, 87856020]

約数ペア:

[(1, 87856020), (2, 43928010), (3, 29285340), (4, 21964005), (5, 17571204), (6, 14642670), (7, 12550860), (9, 9761780), (10, 8785602), (12, 7321335), (14, 6275430), (15, 5857068), (18, 4880890), (20, 4392801), (21, 4183620), (28, 3137715), (30, 2928534), (35, 2510172), (36, 2440445), (42, 2091810), (45, 1952356), (49, 1792980), (60, 1464267), (63, 1394540), (70, 1255086), (84, 1045905), (90, 976178), (98, 896490), (105, 836724), (126, 697270), (140, 627543), (147, 597660), (180, 488089), (196, 448245), (210, 418362), (245, 358596), (252, 348635), (294, 298830), (315, 278908), (343, 256140), (420, 209181), (441, 199220), (490, 179298), (588, 149415), (630, 139454), (686, 128070), (735, 119532), (882, 99610), (980, 89649), (1029, 85380), (1260, 69727), (1372, 64035), (1423, 61740), (1470, 59766), (1715, 51228), (1764, 49805), (2058, 42690), (2205, 39844), (2846, 30870), (2940, 29883), (3087, 28460), (3430, 25614), (4116, 21345), (4269, 20580), (4410, 19922), (5145, 17076), (5692, 15435), (6174, 14230), (6860, 12807), (7115, 12348), (8538, 10290), (8820, 9961)]