72256520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1709}}^1$

素因数の和:1878

約数の個数: 64

約数和(自身を含む): 187142400

約数和(自身を除く): 114885880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 1709, 2114, 3020, 3418, 4228, 5285, 6040, 6836, 8456, 8545, 10570, 11963, 13672, 17090, 21140, 23926, 34180, 42280, 47852, 59815, 68360, 95704, 119630, 239260, 258059, 478520, 516118, 1032236, 1290295, 1806413, 2064472, 2580590, 3612826, 5161180, 7225652, 9032065, 10322360, 14451304, 18064130, 36128260, 72256520]

約数ペア:

[(1, 72256520), (2, 36128260), (4, 18064130), (5, 14451304), (7, 10322360), (8, 9032065), (10, 7225652), (14, 5161180), (20, 3612826), (28, 2580590), (35, 2064472), (40, 1806413), (56, 1290295), (70, 1032236), (140, 516118), (151, 478520), (280, 258059), (302, 239260), (604, 119630), (755, 95704), (1057, 68360), (1208, 59815), (1510, 47852), (1709, 42280), (2114, 34180), (3020, 23926), (3418, 21140), (4228, 17090), (5285, 13672), (6040, 11963), (6836, 10570), (8456, 8545)]