28360740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 82736640

約数和(自身を除く): 54375900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 89, 94, 113, 141, 178, 188, 226, 235, 267, 282, 339, 356, 445, 452, 470, 534, 564, 565, 678, 705, 890, 940, 1068, 1130, 1335, 1356, 1410, 1695, 1780, 2260, 2670, 2820, 3390, 4183, 5311, 5340, 6780, 8366, 10057, 10622, 12549, 15933, 16732, 20114, 20915, 21244, 25098, 26555, 30171, 31866, 40228, 41830, 50196, 50285, 53110, 60342, 62745, 63732, 79665, 83660, 100570, 106220, 120684, 125490, 150855, 159330, 201140, 250980, 301710, 318660, 472679, 603420, 945358, 1418037, 1890716, 2363395, 2836074, 4726790, 5672148, 7090185, 9453580, 14180370, 28360740]

約数ペア:

[(1, 28360740), (2, 14180370), (3, 9453580), (4, 7090185), (5, 5672148), (6, 4726790), (10, 2836074), (12, 2363395), (15, 1890716), (20, 1418037), (30, 945358), (47, 603420), (60, 472679), (89, 318660), (94, 301710), (113, 250980), (141, 201140), (178, 159330), (188, 150855), (226, 125490), (235, 120684), (267, 106220), (282, 100570), (339, 83660), (356, 79665), (445, 63732), (452, 62745), (470, 60342), (534, 53110), (564, 50285), (565, 50196), (678, 41830), (705, 40228), (890, 31866), (940, 30171), (1068, 26555), (1130, 25098), (1335, 21244), (1356, 20915), (1410, 20114), (1695, 16732), (1780, 15933), (2260, 12549), (2670, 10622), (2820, 10057), (3390, 8366), (4183, 6780), (5311, 5340)]