28857060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 120

約数和(自身を含む): 92695680

約数和(自身を除く): 63838620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 270, 282, 324, 379, 405, 423, 470, 540, 564, 705, 758, 810, 846, 940, 1137, 1269, 1410, 1516, 1620, 1692, 1895, 2115, 2274, 2538, 2820, 3411, 3790, 3807, 4230, 4548, 5076, 5685, 6345, 6822, 7580, 7614, 8460, 10233, 11370, 12690, 13644, 15228, 17055, 17813, 19035, 20466, 22740, 25380, 30699, 34110, 35626, 38070, 40932, 51165, 53439, 61398, 68220, 71252, 76140, 89065, 102330, 106878, 122796, 153495, 160317, 178130, 204660, 213756, 267195, 306990, 320634, 356260, 480951, 534390, 613980, 641268, 801585, 961902, 1068780, 1442853, 1603170, 1923804, 2404755, 2885706, 3206340, 4809510, 5771412, 7214265, 9619020, 14428530, 28857060]

約数ペア:

[(1, 28857060), (2, 14428530), (3, 9619020), (4, 7214265), (5, 5771412), (6, 4809510), (9, 3206340), (10, 2885706), (12, 2404755), (15, 1923804), (18, 1603170), (20, 1442853), (27, 1068780), (30, 961902), (36, 801585), (45, 641268), (47, 613980), (54, 534390), (60, 480951), (81, 356260), (90, 320634), (94, 306990), (108, 267195), (135, 213756), (141, 204660), (162, 178130), (180, 160317), (188, 153495), (235, 122796), (270, 106878), (282, 102330), (324, 89065), (379, 76140), (405, 71252), (423, 68220), (470, 61398), (540, 53439), (564, 51165), (705, 40932), (758, 38070), (810, 35626), (846, 34110), (940, 30699), (1137, 25380), (1269, 22740), (1410, 20466), (1516, 19035), (1620, 17813), (1692, 17055), (1895, 15228), (2115, 13644), (2274, 12690), (2538, 11370), (2820, 10233), (3411, 8460), (3790, 7614), (3807, 7580), (4230, 6822), (4548, 6345), (5076, 5685)]