278338680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:611

約数の個数: 160

約数和(自身を含む): 941941440

約数和(自身を除く): 663602760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 271, 317, 324, 360, 405, 540, 542, 634, 648, 810, 813, 951, 1080, 1084, 1268, 1355, 1585, 1620, 1626, 1902, 2168, 2439, 2536, 2710, 2853, 3170, 3240, 3252, 3804, 4065, 4755, 4878, 5420, 5706, 6340, 6504, 7317, 7608, 8130, 8559, 9510, 9756, 10840, 11412, 12195, 12680, 14265, 14634, 16260, 17118, 19020, 19512, 21951, 22824, 24390, 25677, 28530, 29268, 32520, 34236, 36585, 38040, 42795, 43902, 48780, 51354, 57060, 58536, 68472, 73170, 85590, 85907, 87804, 97560, 102708, 109755, 114120, 128385, 146340, 171180, 171814, 175608, 205416, 219510, 256770, 257721, 292680, 342360, 343628, 429535, 439020, 513540, 515442, 687256, 773163, 859070, 878040, 1027080, 1030884, 1288605, 1546326, 1718140, 2061768, 2319489, 2577210, 3092652, 3436280, 3865815, 4638978, 5154420, 6185304, 6958467, 7731630, 9277956, 10308840, 11597445, 13916934, 15463260, 18555912, 23194890, 27833868, 30926520, 34792335, 46389780, 55667736, 69584670, 92779560, 139169340, 278338680]

約数ペア:

[(1, 278338680), (2, 139169340), (3, 92779560), (4, 69584670), (5, 55667736), (6, 46389780), (8, 34792335), (9, 30926520), (10, 27833868), (12, 23194890), (15, 18555912), (18, 15463260), (20, 13916934), (24, 11597445), (27, 10308840), (30, 9277956), (36, 7731630), (40, 6958467), (45, 6185304), (54, 5154420), (60, 4638978), (72, 3865815), (81, 3436280), (90, 3092652), (108, 2577210), (120, 2319489), (135, 2061768), (162, 1718140), (180, 1546326), (216, 1288605), (270, 1030884), (271, 1027080), (317, 878040), (324, 859070), (360, 773163), (405, 687256), (540, 515442), (542, 513540), (634, 439020), (648, 429535), (810, 343628), (813, 342360), (951, 292680), (1080, 257721), (1084, 256770), (1268, 219510), (1355, 205416), (1585, 175608), (1620, 171814), (1626, 171180), (1902, 146340), (2168, 128385), (2439, 114120), (2536, 109755), (2710, 102708), (2853, 97560), (3170, 87804), (3240, 85907), (3252, 85590), (3804, 73170), (4065, 68472), (4755, 58536), (4878, 57060), (5420, 51354), (5706, 48780), (6340, 43902), (6504, 42795), (7317, 38040), (7608, 36585), (8130, 34236), (8559, 32520), (9510, 29268), (9756, 28530), (10840, 25677), (11412, 24390), (12195, 22824), (12680, 21951), (14265, 19512), (14634, 19020), (16260, 17118)]