128704632

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 394022400

約数和(自身を除く): 265317768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 61, 76, 84, 114, 122, 133, 152, 168, 183, 228, 244, 266, 366, 399, 427, 456, 488, 532, 661, 732, 798, 854, 1064, 1159, 1281, 1322, 1464, 1596, 1708, 1983, 2318, 2562, 2644, 3192, 3416, 3477, 3966, 4627, 4636, 5124, 5288, 6954, 7932, 8113, 9254, 9272, 10248, 12559, 13881, 13908, 15864, 16226, 18508, 24339, 25118, 27762, 27816, 32452, 37016, 37677, 40321, 48678, 50236, 55524, 64904, 75354, 80642, 87913, 97356, 100472, 111048, 120963, 150708, 161284, 175826, 194712, 241926, 263739, 282247, 301416, 322568, 351652, 483852, 527478, 564494, 703304, 766099, 846741, 967704, 1054956, 1128988, 1532198, 1693482, 2109912, 2257976, 2298297, 3064396, 3386964, 4596594, 5362693, 6128792, 6773928, 9193188, 10725386, 16088079, 18386376, 21450772, 32176158, 42901544, 64352316, 128704632]

約数ペア:

[(1, 128704632), (2, 64352316), (3, 42901544), (4, 32176158), (6, 21450772), (7, 18386376), (8, 16088079), (12, 10725386), (14, 9193188), (19, 6773928), (21, 6128792), (24, 5362693), (28, 4596594), (38, 3386964), (42, 3064396), (56, 2298297), (57, 2257976), (61, 2109912), (76, 1693482), (84, 1532198), (114, 1128988), (122, 1054956), (133, 967704), (152, 846741), (168, 766099), (183, 703304), (228, 564494), (244, 527478), (266, 483852), (366, 351652), (399, 322568), (427, 301416), (456, 282247), (488, 263739), (532, 241926), (661, 194712), (732, 175826), (798, 161284), (854, 150708), (1064, 120963), (1159, 111048), (1281, 100472), (1322, 97356), (1464, 87913), (1596, 80642), (1708, 75354), (1983, 64904), (2318, 55524), (2562, 50236), (2644, 48678), (3192, 40321), (3416, 37677), (3477, 37016), (3966, 32452), (4627, 27816), (4636, 27762), (5124, 25118), (5288, 24339), (6954, 18508), (7932, 16226), (8113, 15864), (9254, 13908), (9272, 13881), (10248, 12559)]