140561820

素因数分解:

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

素因数の和:700

約数の個数: 144

約数和(自身を含む): 490246848

約数和(自身を除く): 349685028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 281, 315, 397, 420, 562, 630, 794, 843, 1124, 1191, 1260, 1405, 1588, 1686, 1967, 1985, 2382, 2529, 2779, 2810, 3372, 3573, 3934, 3970, 4215, 4764, 5058, 5558, 5620, 5901, 5955, 7146, 7868, 7940, 8337, 8430, 9835, 10116, 11116, 11802, 11910, 12645, 13895, 14292, 16674, 16860, 17703, 17865, 19670, 23604, 23820, 25011, 25290, 27790, 29505, 33348, 35406, 35730, 39340, 41685, 50022, 50580, 55580, 59010, 70812, 71460, 83370, 88515, 100044, 111557, 118020, 125055, 166740, 177030, 223114, 250110, 334671, 354060, 446228, 500220, 557785, 669342, 780899, 1004013, 1115570, 1338684, 1561798, 1673355, 2008026, 2231140, 2342697, 3123596, 3346710, 3904495, 4016052, 4685394, 5020065, 6693420, 7028091, 7808990, 9370788, 10040130, 11713485, 14056182, 15617980, 20080260, 23426970, 28112364, 35140455, 46853940, 70280910, 140561820]

約数ペア:

[(1, 140561820), (2, 70280910), (3, 46853940), (4, 35140455), (5, 28112364), (6, 23426970), (7, 20080260), (9, 15617980), (10, 14056182), (12, 11713485), (14, 10040130), (15, 9370788), (18, 7808990), (20, 7028091), (21, 6693420), (28, 5020065), (30, 4685394), (35, 4016052), (36, 3904495), (42, 3346710), (45, 3123596), (60, 2342697), (63, 2231140), (70, 2008026), (84, 1673355), (90, 1561798), (105, 1338684), (126, 1115570), (140, 1004013), (180, 780899), (210, 669342), (252, 557785), (281, 500220), (315, 446228), (397, 354060), (420, 334671), (562, 250110), (630, 223114), (794, 177030), (843, 166740), (1124, 125055), (1191, 118020), (1260, 111557), (1405, 100044), (1588, 88515), (1686, 83370), (1967, 71460), (1985, 70812), (2382, 59010), (2529, 55580), (2779, 50580), (2810, 50022), (3372, 41685), (3573, 39340), (3934, 35730), (3970, 35406), (4215, 33348), (4764, 29505), (5058, 27790), (5558, 25290), (5620, 25011), (5901, 23820), (5955, 23604), (7146, 19670), (7868, 17865), (7940, 17703), (8337, 16860), (8430, 16674), (9835, 14292), (10116, 13895), (11116, 12645), (11802, 11910)]