201208920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{487}}^1$

素因数の和:825

約数の個数: 128

約数和(自身を含む): 661962240

約数和(自身を除く): 460753320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 313, 330, 440, 487, 626, 660, 939, 974, 1252, 1320, 1461, 1565, 1878, 1948, 2435, 2504, 2922, 3130, 3443, 3756, 3896, 4695, 4870, 5357, 5844, 6260, 6886, 7305, 7512, 9390, 9740, 10329, 10714, 11688, 12520, 13772, 14610, 16071, 17215, 18780, 19480, 20658, 21428, 26785, 27544, 29220, 32142, 34430, 37560, 41316, 42856, 51645, 53570, 58440, 64284, 68860, 80355, 82632, 103290, 107140, 128568, 137720, 152431, 160710, 206580, 214280, 304862, 321420, 413160, 457293, 609724, 642840, 762155, 914586, 1219448, 1524310, 1676741, 1829172, 2286465, 3048620, 3353482, 3658344, 4572930, 5030223, 6097240, 6706964, 8383705, 9145860, 10060446, 13413928, 16767410, 18291720, 20120892, 25151115, 33534820, 40241784, 50302230, 67069640, 100604460, 201208920]

約数ペア:

[(1, 201208920), (2, 100604460), (3, 67069640), (4, 50302230), (5, 40241784), (6, 33534820), (8, 25151115), (10, 20120892), (11, 18291720), (12, 16767410), (15, 13413928), (20, 10060446), (22, 9145860), (24, 8383705), (30, 6706964), (33, 6097240), (40, 5030223), (44, 4572930), (55, 3658344), (60, 3353482), (66, 3048620), (88, 2286465), (110, 1829172), (120, 1676741), (132, 1524310), (165, 1219448), (220, 914586), (264, 762155), (313, 642840), (330, 609724), (440, 457293), (487, 413160), (626, 321420), (660, 304862), (939, 214280), (974, 206580), (1252, 160710), (1320, 152431), (1461, 137720), (1565, 128568), (1878, 107140), (1948, 103290), (2435, 82632), (2504, 80355), (2922, 68860), (3130, 64284), (3443, 58440), (3756, 53570), (3896, 51645), (4695, 42856), (4870, 41316), (5357, 37560), (5844, 34430), (6260, 32142), (6886, 29220), (7305, 27544), (7512, 26785), (9390, 21428), (9740, 20658), (10329, 19480), (10714, 18780), (11688, 17215), (12520, 16071), (13772, 14610)]