278893440

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6917}}^1$

素因数の和:6949

約数の個数: 192

約数和(自身を含む): 1100792160

約数和(自身を除く): 821898720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 6917, 8064, 10080, 13440, 13834, 20160, 20751, 27668, 34585, 40320, 41502, 48419, 55336, 62253, 69170, 83004, 96838, 103755, 110672, 124506, 138340, 145257, 166008, 193676, 207510, 221344, 242095, 249012, 276680, 290514, 311265, 332016, 387352, 415020, 435771, 442688, 484190, 498024, 553360, 581028, 622530, 664032, 726285, 774704, 830040, 871542, 885376, 968380, 996048, 1106720, 1162056, 1245060, 1328064, 1452570, 1549408, 1660080, 1743084, 1936760, 1992096, 2178855, 2213440, 2324112, 2490120, 2656128, 2905140, 3098816, 3320160, 3486168, 3873520, 3984192, 4357710, 4426880, 4648224, 4980240, 5810280, 6197632, 6640320, 6972336, 7747040, 7968384, 8715420, 9296448, 9960480, 11620560, 13280640, 13944672, 15494080, 17430840, 18592896, 19920960, 23241120, 27889344, 30988160, 34861680, 39841920, 46482240, 55778688, 69723360, 92964480, 139446720, 278893440]

約数ペア:

[(1, 278893440), (2, 139446720), (3, 92964480), (4, 69723360), (5, 55778688), (6, 46482240), (7, 39841920), (8, 34861680), (9, 30988160), (10, 27889344), (12, 23241120), (14, 19920960), (15, 18592896), (16, 17430840), (18, 15494080), (20, 13944672), (21, 13280640), (24, 11620560), (28, 9960480), (30, 9296448), (32, 8715420), (35, 7968384), (36, 7747040), (40, 6972336), (42, 6640320), (45, 6197632), (48, 5810280), (56, 4980240), (60, 4648224), (63, 4426880), (64, 4357710), (70, 3984192), (72, 3873520), (80, 3486168), (84, 3320160), (90, 3098816), (96, 2905140), (105, 2656128), (112, 2490120), (120, 2324112), (126, 2213440), (128, 2178855), (140, 1992096), (144, 1936760), (160, 1743084), (168, 1660080), (180, 1549408), (192, 1452570), (210, 1328064), (224, 1245060), (240, 1162056), (252, 1106720), (280, 996048), (288, 968380), (315, 885376), (320, 871542), (336, 830040), (360, 774704), (384, 726285), (420, 664032), (448, 622530), (480, 581028), (504, 553360), (560, 498024), (576, 484190), (630, 442688), (640, 435771), (672, 415020), (720, 387352), (840, 332016), (896, 311265), (960, 290514), (1008, 276680), (1120, 249012), (1152, 242095), (1260, 221344), (1344, 207510), (1440, 193676), (1680, 166008), (1920, 145257), (2016, 138340), (2240, 124506), (2520, 110672), (2688, 103755), (2880, 96838), (3360, 83004), (4032, 69170), (4480, 62253), (5040, 55336), (5760, 48419), (6720, 41502), (6917, 40320), (8064, 34585), (10080, 27668), (13440, 20751), (13834, 20160)]