281123640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:702

約数の個数: 192

約数和(自身を含む): 1050528960

約数和(自身を除く): 769405320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 281, 315, 360, 397, 420, 504, 562, 630, 794, 840, 843, 1124, 1191, 1260, 1405, 1588, 1686, 1967, 1985, 2248, 2382, 2520, 2529, 2779, 2810, 3176, 3372, 3573, 3934, 3970, 4215, 4764, 5058, 5558, 5620, 5901, 5955, 6744, 7146, 7868, 7940, 8337, 8430, 9528, 9835, 10116, 11116, 11240, 11802, 11910, 12645, 13895, 14292, 15736, 15880, 16674, 16860, 17703, 17865, 19670, 20232, 22232, 23604, 23820, 25011, 25290, 27790, 28584, 29505, 33348, 33720, 35406, 35730, 39340, 41685, 47208, 47640, 50022, 50580, 55580, 59010, 66696, 70812, 71460, 78680, 83370, 88515, 100044, 101160, 111160, 111557, 118020, 125055, 141624, 142920, 166740, 177030, 200088, 223114, 236040, 250110, 333480, 334671, 354060, 446228, 500220, 557785, 669342, 708120, 780899, 892456, 1000440, 1004013, 1115570, 1338684, 1561798, 1673355, 2008026, 2231140, 2342697, 2677368, 3123596, 3346710, 3904495, 4016052, 4462280, 4685394, 5020065, 6247192, 6693420, 7028091, 7808990, 8032104, 9370788, 10040130, 11713485, 13386840, 14056182, 15617980, 18741576, 20080260, 23426970, 28112364, 31235960, 35140455, 40160520, 46853940, 56224728, 70280910, 93707880, 140561820, 281123640]

約数ペア:

[(1, 281123640), (2, 140561820), (3, 93707880), (4, 70280910), (5, 56224728), (6, 46853940), (7, 40160520), (8, 35140455), (9, 31235960), (10, 28112364), (12, 23426970), (14, 20080260), (15, 18741576), (18, 15617980), (20, 14056182), (21, 13386840), (24, 11713485), (28, 10040130), (30, 9370788), (35, 8032104), (36, 7808990), (40, 7028091), (42, 6693420), (45, 6247192), (56, 5020065), (60, 4685394), (63, 4462280), (70, 4016052), (72, 3904495), (84, 3346710), (90, 3123596), (105, 2677368), (120, 2342697), (126, 2231140), (140, 2008026), (168, 1673355), (180, 1561798), (210, 1338684), (252, 1115570), (280, 1004013), (281, 1000440), (315, 892456), (360, 780899), (397, 708120), (420, 669342), (504, 557785), (562, 500220), (630, 446228), (794, 354060), (840, 334671), (843, 333480), (1124, 250110), (1191, 236040), (1260, 223114), (1405, 200088), (1588, 177030), (1686, 166740), (1967, 142920), (1985, 141624), (2248, 125055), (2382, 118020), (2520, 111557), (2529, 111160), (2779, 101160), (2810, 100044), (3176, 88515), (3372, 83370), (3573, 78680), (3934, 71460), (3970, 70812), (4215, 66696), (4764, 59010), (5058, 55580), (5558, 50580), (5620, 50022), (5901, 47640), (5955, 47208), (6744, 41685), (7146, 39340), (7868, 35730), (7940, 35406), (8337, 33720), (8430, 33348), (9528, 29505), (9835, 28584), (10116, 27790), (11116, 25290), (11240, 25011), (11802, 23820), (11910, 23604), (12645, 22232), (13895, 20232), (14292, 19670), (15736, 17865), (15880, 17703), (16674, 16860)]