1290666720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1367}}^1$

素因数の和:1673

約数の個数: 192

約数和(自身を含む): 4666346496

約数和(自身を除く): 3375679776

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 281, 336, 420, 480, 560, 562, 672, 840, 843, 1120, 1124, 1367, 1405, 1680, 1686, 1967, 2248, 2734, 2810, 3360, 3372, 3934, 4101, 4215, 4496, 5468, 5620, 5901, 6744, 6835, 7868, 8202, 8430, 8992, 9569, 9835, 10936, 11240, 11802, 13488, 13670, 15736, 16404, 16860, 19138, 19670, 20505, 21872, 22480, 23604, 26976, 27340, 28707, 29505, 31472, 32808, 33720, 38276, 39340, 41010, 43744, 44960, 47208, 47845, 54680, 57414, 59010, 62944, 65616, 67440, 76552, 78680, 82020, 94416, 95690, 109360, 114828, 118020, 131232, 134880, 143535, 153104, 157360, 164040, 188832, 191380, 218720, 229656, 236040, 287070, 306208, 314720, 328080, 382760, 384127, 459312, 472080, 574140, 656160, 765520, 768254, 918624, 944160, 1148280, 1152381, 1531040, 1536508, 1920635, 2296560, 2304762, 2688889, 3073016, 3841270, 4593120, 4609524, 5377778, 5761905, 6146032, 7682540, 8066667, 9219048, 10755556, 11523810, 12292064, 13444445, 15365080, 16133334, 18438096, 21511112, 23047620, 26888890, 30730160, 32266668, 36876192, 40333335, 43022224, 46095240, 53777780, 61460320, 64533336, 80666670, 86044448, 92190480, 107555560, 129066672, 161333340, 184380960, 215111120, 258133344, 322666680, 430222240, 645333360, 1290666720]

約数ペア:

[(1, 1290666720), (2, 645333360), (3, 430222240), (4, 322666680), (5, 258133344), (6, 215111120), (7, 184380960), (8, 161333340), (10, 129066672), (12, 107555560), (14, 92190480), (15, 86044448), (16, 80666670), (20, 64533336), (21, 61460320), (24, 53777780), (28, 46095240), (30, 43022224), (32, 40333335), (35, 36876192), (40, 32266668), (42, 30730160), (48, 26888890), (56, 23047620), (60, 21511112), (70, 18438096), (80, 16133334), (84, 15365080), (96, 13444445), (105, 12292064), (112, 11523810), (120, 10755556), (140, 9219048), (160, 8066667), (168, 7682540), (210, 6146032), (224, 5761905), (240, 5377778), (280, 4609524), (281, 4593120), (336, 3841270), (420, 3073016), (480, 2688889), (560, 2304762), (562, 2296560), (672, 1920635), (840, 1536508), (843, 1531040), (1120, 1152381), (1124, 1148280), (1367, 944160), (1405, 918624), (1680, 768254), (1686, 765520), (1967, 656160), (2248, 574140), (2734, 472080), (2810, 459312), (3360, 384127), (3372, 382760), (3934, 328080), (4101, 314720), (4215, 306208), (4496, 287070), (5468, 236040), (5620, 229656), (5901, 218720), (6744, 191380), (6835, 188832), (7868, 164040), (8202, 157360), (8430, 153104), (8992, 143535), (9569, 134880), (9835, 131232), (10936, 118020), (11240, 114828), (11802, 109360), (13488, 95690), (13670, 94416), (15736, 82020), (16404, 78680), (16860, 76552), (19138, 67440), (19670, 65616), (20505, 62944), (21872, 59010), (22480, 57414), (23604, 54680), (26976, 47845), (27340, 47208), (28707, 44960), (29505, 43744), (31472, 41010), (32808, 39340), (33720, 38276)]