72430120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1861}}^1$

素因数の和:2018

約数の個数: 64

約数和(自身を含む): 187689600

約数和(自身を除く): 115259480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1861, 1946, 2780, 3722, 3892, 4865, 5560, 7444, 7784, 9305, 9730, 13027, 14888, 18610, 19460, 26054, 37220, 38920, 52108, 65135, 74440, 104216, 130270, 258679, 260540, 517358, 521080, 1034716, 1293395, 1810753, 2069432, 2586790, 3621506, 5173580, 7243012, 9053765, 10347160, 14486024, 18107530, 36215060, 72430120]

約数ペア:

[(1, 72430120), (2, 36215060), (4, 18107530), (5, 14486024), (7, 10347160), (8, 9053765), (10, 7243012), (14, 5173580), (20, 3621506), (28, 2586790), (35, 2069432), (40, 1810753), (56, 1293395), (70, 1034716), (139, 521080), (140, 517358), (278, 260540), (280, 258679), (556, 130270), (695, 104216), (973, 74440), (1112, 65135), (1390, 52108), (1861, 38920), (1946, 37220), (2780, 26054), (3722, 19460), (3892, 18610), (4865, 14888), (5560, 13027), (7444, 9730), (7784, 9305)]