128334420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 407447040

約数和(自身を除く): 279112620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 109, 124, 155, 180, 186, 211, 218, 279, 310, 327, 372, 422, 436, 465, 545, 558, 620, 633, 654, 844, 930, 981, 1055, 1090, 1116, 1266, 1308, 1395, 1635, 1860, 1899, 1962, 2110, 2180, 2532, 2790, 3165, 3270, 3379, 3798, 3924, 4220, 4905, 5580, 6330, 6540, 6541, 6758, 7596, 9495, 9810, 10137, 12660, 13082, 13516, 16895, 18990, 19620, 19623, 20274, 22999, 26164, 30411, 32705, 33790, 37980, 39246, 40548, 45998, 50685, 58869, 60822, 65410, 67580, 68997, 78492, 91996, 98115, 101370, 114995, 117738, 121644, 130820, 137994, 152055, 196230, 202740, 206991, 229990, 235476, 275988, 294345, 304110, 344985, 392460, 413982, 459980, 588690, 608220, 689970, 712969, 827964, 1034955, 1177380, 1379940, 1425938, 2069910, 2138907, 2851876, 3564845, 4139820, 4277814, 6416721, 7129690, 8555628, 10694535, 12833442, 14259380, 21389070, 25666884, 32083605, 42778140, 64167210, 128334420]

約数ペア:

[(1, 128334420), (2, 64167210), (3, 42778140), (4, 32083605), (5, 25666884), (6, 21389070), (9, 14259380), (10, 12833442), (12, 10694535), (15, 8555628), (18, 7129690), (20, 6416721), (30, 4277814), (31, 4139820), (36, 3564845), (45, 2851876), (60, 2138907), (62, 2069910), (90, 1425938), (93, 1379940), (109, 1177380), (124, 1034955), (155, 827964), (180, 712969), (186, 689970), (211, 608220), (218, 588690), (279, 459980), (310, 413982), (327, 392460), (372, 344985), (422, 304110), (436, 294345), (465, 275988), (545, 235476), (558, 229990), (620, 206991), (633, 202740), (654, 196230), (844, 152055), (930, 137994), (981, 130820), (1055, 121644), (1090, 117738), (1116, 114995), (1266, 101370), (1308, 98115), (1395, 91996), (1635, 78492), (1860, 68997), (1899, 67580), (1962, 65410), (2110, 60822), (2180, 58869), (2532, 50685), (2790, 45998), (3165, 40548), (3270, 39246), (3379, 37980), (3798, 33790), (3924, 32705), (4220, 30411), (4905, 26164), (5580, 22999), (6330, 20274), (6540, 19623), (6541, 19620), (6758, 18990), (7596, 16895), (9495, 13516), (9810, 13082), (10137, 12660)]