28788930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 77075388

約数和(自身を除く): 48286458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 173, 215, 258, 346, 387, 430, 519, 645, 774, 865, 1038, 1290, 1557, 1730, 1849, 1935, 2595, 3114, 3698, 3870, 5190, 5547, 7439, 7785, 9245, 11094, 14878, 15570, 16641, 18490, 22317, 27735, 33282, 37195, 44634, 55470, 66951, 74390, 83205, 111585, 133902, 166410, 223170, 319877, 334755, 639754, 669510, 959631, 1599385, 1919262, 2878893, 3198770, 4798155, 5757786, 9596310, 14394465, 28788930]

約数ペア:

[(1, 28788930), (2, 14394465), (3, 9596310), (5, 5757786), (6, 4798155), (9, 3198770), (10, 2878893), (15, 1919262), (18, 1599385), (30, 959631), (43, 669510), (45, 639754), (86, 334755), (90, 319877), (129, 223170), (173, 166410), (215, 133902), (258, 111585), (346, 83205), (387, 74390), (430, 66951), (519, 55470), (645, 44634), (774, 37195), (865, 33282), (1038, 27735), (1290, 22317), (1557, 18490), (1730, 16641), (1849, 15570), (1935, 14878), (2595, 11094), (3114, 9245), (3698, 7785), (3870, 7439), (5190, 5547)]