281148840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{37189}}^1$

素因数の和:37216

約数の個数: 128

約数和(自身を含む): 1071072000

約数和(自身を除く): 789923160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 37189, 74378, 111567, 148756, 185945, 223134, 260323, 297512, 334701, 371890, 446268, 520646, 557835, 669402, 743780, 780969, 892536, 1004103, 1041292, 1115670, 1301615, 1338804, 1487560, 1561938, 1673505, 2008206, 2082584, 2231340, 2342907, 2603230, 2677608, 3123876, 3347010, 3904845, 4016412, 4462680, 4685814, 5020515, 5206460, 6247752, 6694020, 7028721, 7809690, 8032824, 9371628, 10041030, 10412920, 11714535, 13388040, 14057442, 15619380, 18743256, 20082060, 23429070, 28114884, 31238760, 35143605, 40164120, 46858140, 56229768, 70287210, 93716280, 140574420, 281148840]

約数ペア:

[(1, 281148840), (2, 140574420), (3, 93716280), (4, 70287210), (5, 56229768), (6, 46858140), (7, 40164120), (8, 35143605), (9, 31238760), (10, 28114884), (12, 23429070), (14, 20082060), (15, 18743256), (18, 15619380), (20, 14057442), (21, 13388040), (24, 11714535), (27, 10412920), (28, 10041030), (30, 9371628), (35, 8032824), (36, 7809690), (40, 7028721), (42, 6694020), (45, 6247752), (54, 5206460), (56, 5020515), (60, 4685814), (63, 4462680), (70, 4016412), (72, 3904845), (84, 3347010), (90, 3123876), (105, 2677608), (108, 2603230), (120, 2342907), (126, 2231340), (135, 2082584), (140, 2008206), (168, 1673505), (180, 1561938), (189, 1487560), (210, 1338804), (216, 1301615), (252, 1115670), (270, 1041292), (280, 1004103), (315, 892536), (360, 780969), (378, 743780), (420, 669402), (504, 557835), (540, 520646), (630, 446268), (756, 371890), (840, 334701), (945, 297512), (1080, 260323), (1260, 223134), (1512, 185945), (1890, 148756), (2520, 111567), (3780, 74378), (7560, 37189)]