257411280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9013}}^1$

素因数の和:9053

約数の個数: 160

約数和(自身を含む): 965723904

約数和(自身を除く): 708312624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 3570, 4080, 4760, 5712, 7140, 9013, 9520, 14280, 18026, 27039, 28560, 36052, 45065, 54078, 63091, 72104, 90130, 108156, 126182, 135195, 144208, 153221, 180260, 189273, 216312, 252364, 270390, 306442, 315455, 360520, 378546, 432624, 459663, 504728, 540780, 612884, 630910, 721040, 757092, 766105, 919326, 946365, 1009456, 1072547, 1081560, 1225768, 1261820, 1514184, 1532210, 1838652, 1892730, 2145094, 2163120, 2298315, 2451536, 2523640, 3028368, 3064420, 3217641, 3677304, 3785460, 4290188, 4596630, 5047280, 5362735, 6128840, 6435282, 7354608, 7570920, 8580376, 9193260, 10725470, 12257680, 12870564, 15141840, 16088205, 17160752, 18386520, 21450940, 25741128, 32176410, 36773040, 42901880, 51482256, 64352820, 85803760, 128705640, 257411280]

約数ペア:

[(1, 257411280), (2, 128705640), (3, 85803760), (4, 64352820), (5, 51482256), (6, 42901880), (7, 36773040), (8, 32176410), (10, 25741128), (12, 21450940), (14, 18386520), (15, 17160752), (16, 16088205), (17, 15141840), (20, 12870564), (21, 12257680), (24, 10725470), (28, 9193260), (30, 8580376), (34, 7570920), (35, 7354608), (40, 6435282), (42, 6128840), (48, 5362735), (51, 5047280), (56, 4596630), (60, 4290188), (68, 3785460), (70, 3677304), (80, 3217641), (84, 3064420), (85, 3028368), (102, 2523640), (105, 2451536), (112, 2298315), (119, 2163120), (120, 2145094), (136, 1892730), (140, 1838652), (168, 1532210), (170, 1514184), (204, 1261820), (210, 1225768), (238, 1081560), (240, 1072547), (255, 1009456), (272, 946365), (280, 919326), (336, 766105), (340, 757092), (357, 721040), (408, 630910), (420, 612884), (476, 540780), (510, 504728), (560, 459663), (595, 432624), (680, 378546), (714, 360520), (816, 315455), (840, 306442), (952, 270390), (1020, 252364), (1190, 216312), (1360, 189273), (1428, 180260), (1680, 153221), (1785, 144208), (1904, 135195), (2040, 126182), (2380, 108156), (2856, 90130), (3570, 72104), (4080, 63091), (4760, 54078), (5712, 45065), (7140, 36052), (9013, 28560), (9520, 27039), (14280, 18026)]