81165864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 229824000

約数和(自身を除く): 148658136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 79, 89, 104, 111, 148, 156, 158, 178, 222, 237, 267, 296, 312, 316, 356, 444, 474, 481, 534, 632, 712, 888, 948, 962, 1027, 1068, 1157, 1443, 1896, 1924, 2054, 2136, 2314, 2886, 2923, 3081, 3293, 3471, 3848, 4108, 4628, 5772, 5846, 6162, 6586, 6942, 7031, 8216, 8769, 9256, 9879, 11544, 11692, 12324, 13172, 13884, 14062, 17538, 19758, 21093, 23384, 24648, 26344, 27768, 28124, 35076, 37999, 39516, 42186, 42809, 56248, 70152, 75998, 79032, 84372, 85618, 91403, 113997, 128427, 151996, 168744, 171236, 182806, 227994, 256854, 260147, 274209, 303992, 342472, 365612, 455988, 513708, 520294, 548418, 731224, 780441, 911976, 1027416, 1040588, 1096836, 1560882, 2081176, 2193672, 3121764, 3381911, 6243528, 6763822, 10145733, 13527644, 20291466, 27055288, 40582932, 81165864]

約数ペア:

[(1, 81165864), (2, 40582932), (3, 27055288), (4, 20291466), (6, 13527644), (8, 10145733), (12, 6763822), (13, 6243528), (24, 3381911), (26, 3121764), (37, 2193672), (39, 2081176), (52, 1560882), (74, 1096836), (78, 1040588), (79, 1027416), (89, 911976), (104, 780441), (111, 731224), (148, 548418), (156, 520294), (158, 513708), (178, 455988), (222, 365612), (237, 342472), (267, 303992), (296, 274209), (312, 260147), (316, 256854), (356, 227994), (444, 182806), (474, 171236), (481, 168744), (534, 151996), (632, 128427), (712, 113997), (888, 91403), (948, 85618), (962, 84372), (1027, 79032), (1068, 75998), (1157, 70152), (1443, 56248), (1896, 42809), (1924, 42186), (2054, 39516), (2136, 37999), (2314, 35076), (2886, 28124), (2923, 27768), (3081, 26344), (3293, 24648), (3471, 23384), (3848, 21093), (4108, 19758), (4628, 17538), (5772, 14062), (5846, 13884), (6162, 13172), (6586, 12324), (6942, 11692), (7031, 11544), (8216, 9879), (8769, 9256)]