279064720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 721953792

約数和(自身を除く): 442889072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 127, 176, 220, 227, 242, 254, 440, 454, 484, 508, 605, 635, 880, 908, 968, 1016, 1135, 1210, 1270, 1397, 1816, 1936, 2032, 2270, 2420, 2497, 2540, 2794, 3632, 4540, 4840, 4994, 5080, 5588, 6985, 9080, 9680, 9988, 10160, 11176, 12485, 13970, 15367, 18160, 19976, 22352, 24970, 27467, 27940, 28829, 30734, 39952, 49940, 54934, 55880, 57658, 61468, 76835, 99880, 109868, 111760, 115316, 122936, 137335, 144145, 153670, 199760, 219736, 230632, 245872, 274670, 288290, 307340, 317119, 439472, 461264, 549340, 576580, 614680, 634238, 1098680, 1153160, 1229360, 1268476, 1585595, 2197360, 2306320, 2536952, 3171190, 3488309, 5073904, 6342380, 6976618, 12684760, 13953236, 17441545, 25369520, 27906472, 34883090, 55812944, 69766180, 139532360, 279064720]

約数ペア:

[(1, 279064720), (2, 139532360), (4, 69766180), (5, 55812944), (8, 34883090), (10, 27906472), (11, 25369520), (16, 17441545), (20, 13953236), (22, 12684760), (40, 6976618), (44, 6342380), (55, 5073904), (80, 3488309), (88, 3171190), (110, 2536952), (121, 2306320), (127, 2197360), (176, 1585595), (220, 1268476), (227, 1229360), (242, 1153160), (254, 1098680), (440, 634238), (454, 614680), (484, 576580), (508, 549340), (605, 461264), (635, 439472), (880, 317119), (908, 307340), (968, 288290), (1016, 274670), (1135, 245872), (1210, 230632), (1270, 219736), (1397, 199760), (1816, 153670), (1936, 144145), (2032, 137335), (2270, 122936), (2420, 115316), (2497, 111760), (2540, 109868), (2794, 99880), (3632, 76835), (4540, 61468), (4840, 57658), (4994, 55880), (5080, 54934), (5588, 49940), (6985, 39952), (9080, 30734), (9680, 28829), (9988, 27940), (10160, 27467), (11176, 24970), (12485, 22352), (13970, 19976), (15367, 18160)]