220581480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262597}}^1$

素因数の和:262618

約数の個数: 64

約数和(自身を含む): 756282240

約数和(自身を除く): 535700760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262597, 525194, 787791, 1050388, 1312985, 1575582, 1838179, 2100776, 2625970, 3151164, 3676358, 3938955, 5251940, 5514537, 6302328, 7352716, 7877910, 9190895, 10503880, 11029074, 14705432, 15755820, 18381790, 22058148, 27572685, 31511640, 36763580, 44116296, 55145370, 73527160, 110290740, 220581480]

約数ペア:

[(1, 220581480), (2, 110290740), (3, 73527160), (4, 55145370), (5, 44116296), (6, 36763580), (7, 31511640), (8, 27572685), (10, 22058148), (12, 18381790), (14, 15755820), (15, 14705432), (20, 11029074), (21, 10503880), (24, 9190895), (28, 7877910), (30, 7352716), (35, 6302328), (40, 5514537), (42, 5251940), (56, 3938955), (60, 3676358), (70, 3151164), (84, 2625970), (105, 2100776), (120, 1838179), (140, 1575582), (168, 1312985), (210, 1050388), (280, 787791), (420, 525194), (840, 262597)]