28363440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{16883}}^1$

素因数の和:16906

約数の個数: 80

約数和(自身を含む): 100493568

約数和(自身を除く): 72130128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 16883, 33766, 50649, 67532, 84415, 101298, 118181, 135064, 168830, 202596, 236362, 253245, 270128, 337660, 354543, 405192, 472724, 506490, 590905, 675320, 709086, 810384, 945448, 1012980, 1181810, 1350640, 1418172, 1772715, 1890896, 2025960, 2363620, 2836344, 3545430, 4051920, 4727240, 5672688, 7090860, 9454480, 14181720, 28363440]

約数ペア:

[(1, 28363440), (2, 14181720), (3, 9454480), (4, 7090860), (5, 5672688), (6, 4727240), (7, 4051920), (8, 3545430), (10, 2836344), (12, 2363620), (14, 2025960), (15, 1890896), (16, 1772715), (20, 1418172), (21, 1350640), (24, 1181810), (28, 1012980), (30, 945448), (35, 810384), (40, 709086), (42, 675320), (48, 590905), (56, 506490), (60, 472724), (70, 405192), (80, 354543), (84, 337660), (105, 270128), (112, 253245), (120, 236362), (140, 202596), (168, 168830), (210, 135064), (240, 118181), (280, 101298), (336, 84415), (420, 67532), (560, 50649), (840, 33766), (1680, 16883)]