51357840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 169274880

約数和(自身を除く): 117917040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 47, 48, 58, 60, 80, 87, 94, 116, 120, 141, 145, 157, 174, 188, 232, 235, 240, 282, 290, 314, 348, 376, 435, 464, 470, 471, 564, 580, 628, 696, 705, 752, 785, 870, 940, 942, 1128, 1160, 1256, 1363, 1392, 1410, 1570, 1740, 1880, 1884, 2256, 2320, 2355, 2512, 2726, 2820, 3140, 3480, 3760, 3768, 4089, 4553, 4710, 5452, 5640, 6280, 6815, 6960, 7379, 7536, 8178, 9106, 9420, 10904, 11280, 12560, 13630, 13659, 14758, 16356, 18212, 18840, 20445, 21808, 22137, 22765, 27260, 27318, 29516, 32712, 36424, 36895, 37680, 40890, 44274, 45530, 54520, 54636, 59032, 65424, 68295, 72848, 73790, 81780, 88548, 91060, 109040, 109272, 110685, 118064, 136590, 147580, 163560, 177096, 182120, 213991, 218544, 221370, 273180, 295160, 327120, 354192, 364240, 427982, 442740, 546360, 590320, 641973, 855964, 885480, 1069955, 1092720, 1283946, 1711928, 1770960, 2139910, 2567892, 3209865, 3423856, 4279820, 5135784, 6419730, 8559640, 10271568, 12839460, 17119280, 25678920, 51357840]

約数ペア:

[(1, 51357840), (2, 25678920), (3, 17119280), (4, 12839460), (5, 10271568), (6, 8559640), (8, 6419730), (10, 5135784), (12, 4279820), (15, 3423856), (16, 3209865), (20, 2567892), (24, 2139910), (29, 1770960), (30, 1711928), (40, 1283946), (47, 1092720), (48, 1069955), (58, 885480), (60, 855964), (80, 641973), (87, 590320), (94, 546360), (116, 442740), (120, 427982), (141, 364240), (145, 354192), (157, 327120), (174, 295160), (188, 273180), (232, 221370), (235, 218544), (240, 213991), (282, 182120), (290, 177096), (314, 163560), (348, 147580), (376, 136590), (435, 118064), (464, 110685), (470, 109272), (471, 109040), (564, 91060), (580, 88548), (628, 81780), (696, 73790), (705, 72848), (752, 68295), (785, 65424), (870, 59032), (940, 54636), (942, 54520), (1128, 45530), (1160, 44274), (1256, 40890), (1363, 37680), (1392, 36895), (1410, 36424), (1570, 32712), (1740, 29516), (1880, 27318), (1884, 27260), (2256, 22765), (2320, 22137), (2355, 21808), (2512, 20445), (2726, 18840), (2820, 18212), (3140, 16356), (3480, 14758), (3760, 13659), (3768, 13630), (4089, 12560), (4553, 11280), (4710, 10904), (5452, 9420), (5640, 9106), (6280, 8178), (6815, 7536), (6960, 7379)]