278950560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1447

約数の個数: 192

約数和(自身を含む): 1021434624

約数和(自身を除く): 742484064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 96, 105, 112, 120, 122, 140, 160, 168, 183, 210, 224, 240, 244, 280, 305, 336, 366, 420, 427, 480, 488, 560, 610, 672, 732, 840, 854, 915, 976, 1120, 1220, 1281, 1361, 1464, 1680, 1708, 1830, 1952, 2135, 2440, 2562, 2722, 2928, 3360, 3416, 3660, 4083, 4270, 4880, 5124, 5444, 5856, 6405, 6805, 6832, 7320, 8166, 8540, 9527, 9760, 10248, 10888, 12810, 13610, 13664, 14640, 16332, 17080, 19054, 20415, 20496, 21776, 25620, 27220, 28581, 29280, 32664, 34160, 38108, 40830, 40992, 43552, 47635, 51240, 54440, 57162, 65328, 68320, 76216, 81660, 83021, 95270, 102480, 108880, 114324, 130656, 142905, 152432, 163320, 166042, 190540, 204960, 217760, 228648, 249063, 285810, 304864, 326640, 332084, 381080, 415105, 457296, 498126, 571620, 581147, 653280, 664168, 762160, 830210, 914592, 996252, 1143240, 1162294, 1245315, 1328336, 1524320, 1660420, 1743441, 1992504, 2286480, 2324588, 2490630, 2656672, 2905735, 3320840, 3486882, 3985008, 4572960, 4649176, 4981260, 5811470, 6641680, 6973764, 7970016, 8717205, 9298352, 9962520, 11622940, 13283360, 13947528, 17434410, 18596704, 19925040, 23245880, 27895056, 34868820, 39850080, 46491760, 55790112, 69737640, 92983520, 139475280, 278950560]

約数ペア:

[(1, 278950560), (2, 139475280), (3, 92983520), (4, 69737640), (5, 55790112), (6, 46491760), (7, 39850080), (8, 34868820), (10, 27895056), (12, 23245880), (14, 19925040), (15, 18596704), (16, 17434410), (20, 13947528), (21, 13283360), (24, 11622940), (28, 9962520), (30, 9298352), (32, 8717205), (35, 7970016), (40, 6973764), (42, 6641680), (48, 5811470), (56, 4981260), (60, 4649176), (61, 4572960), (70, 3985008), (80, 3486882), (84, 3320840), (96, 2905735), (105, 2656672), (112, 2490630), (120, 2324588), (122, 2286480), (140, 1992504), (160, 1743441), (168, 1660420), (183, 1524320), (210, 1328336), (224, 1245315), (240, 1162294), (244, 1143240), (280, 996252), (305, 914592), (336, 830210), (366, 762160), (420, 664168), (427, 653280), (480, 581147), (488, 571620), (560, 498126), (610, 457296), (672, 415105), (732, 381080), (840, 332084), (854, 326640), (915, 304864), (976, 285810), (1120, 249063), (1220, 228648), (1281, 217760), (1361, 204960), (1464, 190540), (1680, 166042), (1708, 163320), (1830, 152432), (1952, 142905), (2135, 130656), (2440, 114324), (2562, 108880), (2722, 102480), (2928, 95270), (3360, 83021), (3416, 81660), (3660, 76216), (4083, 68320), (4270, 65328), (4880, 57162), (5124, 54440), (5444, 51240), (5856, 47635), (6405, 43552), (6805, 40992), (6832, 40830), (7320, 38108), (8166, 34160), (8540, 32664), (9527, 29280), (9760, 28581), (10248, 27220), (10888, 25620), (12810, 21776), (13610, 20496), (13664, 20415), (14640, 19054), (16332, 17080)]