7218120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 26691840

約数和(自身を除く): 19473720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 661, 728, 780, 840, 910, 1092, 1322, 1365, 1560, 1820, 1983, 2184, 2644, 2730, 3305, 3640, 3966, 4627, 5288, 5460, 6610, 7932, 8593, 9254, 9915, 10920, 13220, 13881, 15864, 17186, 18508, 19830, 23135, 25779, 26440, 27762, 34372, 37016, 39660, 42965, 46270, 51558, 55524, 60151, 68744, 69405, 79320, 85930, 92540, 103116, 111048, 120302, 128895, 138810, 171860, 180453, 185080, 206232, 240604, 257790, 277620, 300755, 343720, 360906, 481208, 515580, 555240, 601510, 721812, 902265, 1031160, 1203020, 1443624, 1804530, 2406040, 3609060, 7218120]

約数ペア:

[(1, 7218120), (2, 3609060), (3, 2406040), (4, 1804530), (5, 1443624), (6, 1203020), (7, 1031160), (8, 902265), (10, 721812), (12, 601510), (13, 555240), (14, 515580), (15, 481208), (20, 360906), (21, 343720), (24, 300755), (26, 277620), (28, 257790), (30, 240604), (35, 206232), (39, 185080), (40, 180453), (42, 171860), (52, 138810), (56, 128895), (60, 120302), (65, 111048), (70, 103116), (78, 92540), (84, 85930), (91, 79320), (104, 69405), (105, 68744), (120, 60151), (130, 55524), (140, 51558), (156, 46270), (168, 42965), (182, 39660), (195, 37016), (210, 34372), (260, 27762), (273, 26440), (280, 25779), (312, 23135), (364, 19830), (390, 18508), (420, 17186), (455, 15864), (520, 13881), (546, 13220), (661, 10920), (728, 9915), (780, 9254), (840, 8593), (910, 7932), (1092, 6610), (1322, 5460), (1365, 5288), (1560, 4627), (1820, 3966), (1983, 3640), (2184, 3305), (2644, 2730)]