172921980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5347}}^1$

素因数の和:5384

約数の個数: 144

約数和(自身を含む): 614549376

約数和(自身を除く): 441627396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 2156, 2310, 2695, 2940, 3234, 4620, 5347, 5390, 6468, 8085, 10694, 10780, 16041, 16170, 21388, 26735, 32082, 32340, 37429, 53470, 58817, 64164, 74858, 80205, 106940, 112287, 117634, 149716, 160410, 176451, 187145, 224574, 235268, 262003, 294085, 320820, 352902, 374290, 411719, 449148, 524006, 561435, 588170, 705804, 748580, 786009, 823438, 882255, 1048012, 1122870, 1176340, 1235157, 1310015, 1572018, 1646876, 1764510, 2058595, 2245740, 2470314, 2620030, 2882033, 3144036, 3529020, 3930045, 4117190, 4940628, 5240060, 5764066, 6175785, 7860090, 8234380, 8646099, 11528132, 12351570, 14410165, 15720180, 17292198, 24703140, 28820330, 34584396, 43230495, 57640660, 86460990, 172921980]

約数ペア:

[(1, 172921980), (2, 86460990), (3, 57640660), (4, 43230495), (5, 34584396), (6, 28820330), (7, 24703140), (10, 17292198), (11, 15720180), (12, 14410165), (14, 12351570), (15, 11528132), (20, 8646099), (21, 8234380), (22, 7860090), (28, 6175785), (30, 5764066), (33, 5240060), (35, 4940628), (42, 4117190), (44, 3930045), (49, 3529020), (55, 3144036), (60, 2882033), (66, 2620030), (70, 2470314), (77, 2245740), (84, 2058595), (98, 1764510), (105, 1646876), (110, 1572018), (132, 1310015), (140, 1235157), (147, 1176340), (154, 1122870), (165, 1048012), (196, 882255), (210, 823438), (220, 786009), (231, 748580), (245, 705804), (294, 588170), (308, 561435), (330, 524006), (385, 449148), (420, 411719), (462, 374290), (490, 352902), (539, 320820), (588, 294085), (660, 262003), (735, 235268), (770, 224574), (924, 187145), (980, 176451), (1078, 160410), (1155, 149716), (1470, 117634), (1540, 112287), (1617, 106940), (2156, 80205), (2310, 74858), (2695, 64164), (2940, 58817), (3234, 53470), (4620, 37429), (5347, 32340), (5390, 32082), (6468, 26735), (8085, 21388), (10694, 16170), (10780, 16041)]