72257990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1553

約数の個数: 64

約数和(自身を含む): 161336448

約数和(自身を除く): 89078458

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 70, 82, 85, 119, 170, 205, 238, 287, 410, 574, 595, 697, 1190, 1394, 1435, 1481, 2870, 2962, 3485, 4879, 6970, 7405, 9758, 10367, 14810, 20734, 24395, 25177, 48790, 50354, 51835, 60721, 103670, 121442, 125885, 176239, 251770, 303605, 352478, 425047, 607210, 850094, 881195, 1032257, 1762390, 2064514, 2125235, 4250470, 5161285, 7225799, 10322570, 14451598, 36128995, 72257990]

約数ペア:

[(1, 72257990), (2, 36128995), (5, 14451598), (7, 10322570), (10, 7225799), (14, 5161285), (17, 4250470), (34, 2125235), (35, 2064514), (41, 1762390), (70, 1032257), (82, 881195), (85, 850094), (119, 607210), (170, 425047), (205, 352478), (238, 303605), (287, 251770), (410, 176239), (574, 125885), (595, 121442), (697, 103670), (1190, 60721), (1394, 51835), (1435, 50354), (1481, 48790), (2870, 25177), (2962, 24395), (3485, 20734), (4879, 14810), (6970, 10367), (7405, 9758)]