221431980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 288

約数和(自身を含む): 810819072

約数和(自身を除く): 589387092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 41, 42, 44, 49, 55, 60, 66, 70, 77, 82, 84, 98, 105, 110, 123, 132, 140, 147, 154, 164, 165, 167, 196, 205, 210, 220, 231, 245, 246, 287, 294, 308, 330, 334, 385, 410, 420, 451, 462, 490, 492, 501, 539, 574, 588, 615, 660, 668, 735, 770, 820, 835, 861, 902, 924, 980, 1002, 1078, 1148, 1155, 1169, 1230, 1353, 1435, 1470, 1540, 1617, 1670, 1722, 1804, 1837, 2004, 2009, 2156, 2255, 2310, 2338, 2460, 2505, 2695, 2706, 2870, 2940, 3157, 3234, 3340, 3444, 3507, 3674, 4018, 4305, 4510, 4620, 4676, 5010, 5390, 5412, 5511, 5740, 5845, 6027, 6314, 6468, 6765, 6847, 7014, 7348, 8036, 8085, 8183, 8610, 9020, 9185, 9471, 10020, 10045, 10780, 11022, 11690, 12054, 12628, 12859, 13530, 13694, 14028, 15785, 16170, 16366, 17220, 17535, 18370, 18942, 20090, 20541, 22044, 22099, 23380, 24108, 24549, 25718, 27060, 27388, 27555, 30135, 31570, 32340, 32732, 34235, 35070, 36740, 37884, 38577, 40180, 40915, 41082, 44198, 47355, 47929, 49098, 51436, 55110, 60270, 63140, 64295, 66297, 68470, 70140, 75317, 77154, 81830, 82164, 88396, 90013, 94710, 95858, 98196, 102705, 110220, 110495, 120540, 122745, 128590, 132594, 136940, 143787, 150634, 154308, 163660, 180026, 189420, 191716, 192885, 205410, 220990, 225951, 239645, 245490, 257180, 265188, 270039, 287574, 301268, 331485, 335503, 360052, 376585, 385770, 410820, 441980, 450065, 451902, 479290, 490980, 527219, 540078, 575148, 662970, 671006, 718935, 753170, 771540, 900130, 903804, 958580, 1006509, 1054438, 1080156, 1129755, 1325940, 1342012, 1350195, 1437870, 1506340, 1581657, 1677515, 1800260, 2013018, 2108876, 2259510, 2636095, 2700390, 2875740, 3163314, 3355030, 3690533, 4026036, 4519020, 5032545, 5272190, 5400780, 6326628, 6710060, 7381066, 7908285, 10065090, 10544380, 11071599, 14762132, 15816570, 18452665, 20130180, 22143198, 31633140, 36905330, 44286396, 55357995, 73810660, 110715990, 221431980]

約数ペア:

[(1, 221431980), (2, 110715990), (3, 73810660), (4, 55357995), (5, 44286396), (6, 36905330), (7, 31633140), (10, 22143198), (11, 20130180), (12, 18452665), (14, 15816570), (15, 14762132), (20, 11071599), (21, 10544380), (22, 10065090), (28, 7908285), (30, 7381066), (33, 6710060), (35, 6326628), (41, 5400780), (42, 5272190), (44, 5032545), (49, 4519020), (55, 4026036), (60, 3690533), (66, 3355030), (70, 3163314), (77, 2875740), (82, 2700390), (84, 2636095), (98, 2259510), (105, 2108876), (110, 2013018), (123, 1800260), (132, 1677515), (140, 1581657), (147, 1506340), (154, 1437870), (164, 1350195), (165, 1342012), (167, 1325940), (196, 1129755), (205, 1080156), (210, 1054438), (220, 1006509), (231, 958580), (245, 903804), (246, 900130), (287, 771540), (294, 753170), (308, 718935), (330, 671006), (334, 662970), (385, 575148), (410, 540078), (420, 527219), (451, 490980), (462, 479290), (490, 451902), (492, 450065), (501, 441980), (539, 410820), (574, 385770), (588, 376585), (615, 360052), (660, 335503), (668, 331485), (735, 301268), (770, 287574), (820, 270039), (835, 265188), (861, 257180), (902, 245490), (924, 239645), (980, 225951), (1002, 220990), (1078, 205410), (1148, 192885), (1155, 191716), (1169, 189420), (1230, 180026), (1353, 163660), (1435, 154308), (1470, 150634), (1540, 143787), (1617, 136940), (1670, 132594), (1722, 128590), (1804, 122745), (1837, 120540), (2004, 110495), (2009, 110220), (2156, 102705), (2255, 98196), (2310, 95858), (2338, 94710), (2460, 90013), (2505, 88396), (2695, 82164), (2706, 81830), (2870, 77154), (2940, 75317), (3157, 70140), (3234, 68470), (3340, 66297), (3444, 64295), (3507, 63140), (3674, 60270), (4018, 55110), (4305, 51436), (4510, 49098), (4620, 47929), (4676, 47355), (5010, 44198), (5390, 41082), (5412, 40915), (5511, 40180), (5740, 38577), (5845, 37884), (6027, 36740), (6314, 35070), (6468, 34235), (6765, 32732), (6847, 32340), (7014, 31570), (7348, 30135), (8036, 27555), (8085, 27388), (8183, 27060), (8610, 25718), (9020, 24549), (9185, 24108), (9471, 23380), (10020, 22099), (10045, 22044), (10780, 20541), (11022, 20090), (11690, 18942), (12054, 18370), (12628, 17535), (12859, 17220), (13530, 16366), (13694, 16170), (14028, 15785)]