290528280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3719}}^1$

素因数の和:3774

約数の個数: 192

約数和(自身を含む): 1114214400

約数和(自身を除く): 823686120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3719, 3720, 3906, 4340, 5208, 5580, 6510, 7438, 7812, 8680, 9765, 11157, 11160, 13020, 14876, 15624, 18595, 19530, 22314, 26033, 26040, 29752, 33471, 37190, 39060, 44628, 52066, 55785, 66942, 74380, 78099, 78120, 89256, 104132, 111570, 115289, 130165, 133884, 148760, 156198, 167355, 208264, 223140, 230578, 234297, 260330, 267768, 312396, 334710, 345867, 390495, 446280, 461156, 468594, 520660, 576445, 624792, 669420, 691734, 780990, 807023, 922312, 937188, 1037601, 1041320, 1152890, 1171485, 1338840, 1383468, 1561980, 1614046, 1729335, 1874376, 2075202, 2305780, 2342970, 2421069, 2766936, 3123960, 3228092, 3458670, 4035115, 4150404, 4611560, 4685940, 4842138, 5188005, 6456184, 6917340, 7263207, 8070230, 8300808, 9371880, 9684276, 10376010, 12105345, 13834680, 14526414, 16140460, 19368552, 20752020, 24210690, 29052828, 32280920, 36316035, 41504040, 48421380, 58105656, 72632070, 96842760, 145264140, 290528280]

約数ペア:

[(1, 290528280), (2, 145264140), (3, 96842760), (4, 72632070), (5, 58105656), (6, 48421380), (7, 41504040), (8, 36316035), (9, 32280920), (10, 29052828), (12, 24210690), (14, 20752020), (15, 19368552), (18, 16140460), (20, 14526414), (21, 13834680), (24, 12105345), (28, 10376010), (30, 9684276), (31, 9371880), (35, 8300808), (36, 8070230), (40, 7263207), (42, 6917340), (45, 6456184), (56, 5188005), (60, 4842138), (62, 4685940), (63, 4611560), (70, 4150404), (72, 4035115), (84, 3458670), (90, 3228092), (93, 3123960), (105, 2766936), (120, 2421069), (124, 2342970), (126, 2305780), (140, 2075202), (155, 1874376), (168, 1729335), (180, 1614046), (186, 1561980), (210, 1383468), (217, 1338840), (248, 1171485), (252, 1152890), (279, 1041320), (280, 1037601), (310, 937188), (315, 922312), (360, 807023), (372, 780990), (420, 691734), (434, 669420), (465, 624792), (504, 576445), (558, 520660), (620, 468594), (630, 461156), (651, 446280), (744, 390495), (840, 345867), (868, 334710), (930, 312396), (1085, 267768), (1116, 260330), (1240, 234297), (1260, 230578), (1302, 223140), (1395, 208264), (1736, 167355), (1860, 156198), (1953, 148760), (2170, 133884), (2232, 130165), (2520, 115289), (2604, 111570), (2790, 104132), (3255, 89256), (3719, 78120), (3720, 78099), (3906, 74380), (4340, 66942), (5208, 55785), (5580, 52066), (6510, 44628), (7438, 39060), (7812, 37190), (8680, 33471), (9765, 29752), (11157, 26040), (11160, 26033), (13020, 22314), (14876, 19530), (15624, 18595)]